SendGrid is one of the most widely used transactional email services, known for its scalability, developer-friendly APIs, and strong market presence. However, as sending needs evolve, teams often encounter limitations–rising infrastructure costs, less transparent pricing at scale, and reduced control over deliverability and performance tuning.
These challenges, combined with varying support quality and complexity in advanced use cases, push many businesses to reassess their setup.
This guide will help businesses assess practical options for replacing or supplementing SendGrid based on sending volume, technical requirements, and infrastructure flexibility, supporting informed platform selection for email delivery service.
How We Evaluated Each Platform
Each platform was tested on its entry-level paid plan (or the most comparable tier to SendGrid’s Essentials plan), with a standardized 1,000-contact list that had interacted with a newsletter in the last 90 days. Contacts were not purchased or scraped.
Features evaluated per platform:
- Email builder
- Automation depth (trigger types, conditional logic, branching)
- List/segment management
- Form builder
- Deliverability (3rd party testing data)
- Support responsiveness on the entry-level plan
- Customer reviews (G2, Capterra, Trustpilot, Reddit)
- Pricing model
Deliverability testing: We used third-party data to evaluate email deliverability, relying on tools like GlockApps and EmailTooltester to benchmark inbox placement, spam rates, and domain reputation. Tests were conducted in-house using identical campaign setups across platforms to ensure consistency.
User reviews – We gathered customer feedback from platforms like G2, Trustpilot, and Capterra, analyzing recurring themes, such as ease of use, support quality, pricing transparency, and feature reliability.
What was not tested: Enterprise features (SSO, dedicated IPs, custom SLAs), SMS sending at volume, and ecommerce infrastructure. This review is aimed at SMBs and agencies with lists of up to 50,000 contacts.
Pricing methodology: All pricing is verified as of July 2026. Annual billing discounts are noted separately from monthly pricing, with all prices being shown in USD. We highly recommend analyzing each platform’s pricing page directly before purchasing a subscription.
Capterra, G2, Trustpilot, and Reddit to create an objective evaluation. Learn more about our review methodology
Best SendGrid Alternatives: A Snapshot
- Top pick for combined marketing and transactional sending: Sender – brings both email types into one platform, making it easier to manage campaigns, automations, and transactional messages without juggling separate tools.
- Best for developer-focused transactional reliability: Postmark – built specifically for transactional email, with a strong reputation for speed, dependable delivery, and a clean setup for engineering teams.
- Best for low-cost high-volume infrastructure: Amazon SES – highly scalable pay-as-you-go sending that works well for teams with technical resources and large email volumes.
- Strongest API-first option with deliverability tooling: Mailgun – combines flexible developer workflows with validation, analytics, and inbox-focused tools for teams that want more sending control.
- Best for testing before production: Mailtrap – stands out by covering both safe email testing and live sending, making it especially useful for teams that want to QA email flows in one place.
| Platform | Cost | Deliverability** | Free Forever Plan | Best Feature |
| Sender | Starts at $7/month | 98.1% | Yes | Automation |
| Postmark | Starts at $15/month | 83.3% | Yes | Message streams |
| Amazon SES | $0.10/1000 emails | 77.1% | No | Pay-as-you-go pricing |
| Mailgun | Starts at $15/month | 91.4% | Yes | Inbox placement tracking |
| Mailtrap | Starts at $15/month | 85% | Yes | Dedicated sending streams |
| Brevo | Starts at $9/month | 88.3% | Yes | CRM suite |
| UniOne | Starts at $6/month | N/A | Yes | White label services |
| Mailchimp Transactional Email | $20/block* | N/A | No | Webhooks |
** Deliverability rates from EmailToolTester, Mailtrap, and GlockApps (2026). Sender’s rate based on internal testing. Results vary by domain reputation and sending practices.
Why Businesses Are Switching from SendGrid
1. Account suspension – and how clunky the process is
Account suspensions and trying to revert them are one of the biggest complaints about SendGrid. Whether it’s spam complaint spikes or sudden volume increases without IP warmup, you’re left wondering why your account was suspended. Once suspended, SendGrid queues mail for up to 72 hours – after which undelivered messages expire and are never sent. In most cases, support cannot reactivate a warned, suspended, or deactivated account directly, leaving an automated ticket as the only resolution path.
2. Shared IP risk – with a concrete real-world example
In early 2025, Microsoft rejected all SendGrid shared-IP traffic for ~36 hours – a documented incident, not a theoretical risk. SendGrid’s own docs acknowledge shared IPs suit transactional mail like password resets and order confirmations poorly, because the marketing mail other pool users send inherently lowers IP reputation.
3. The free tier was quietly removed in 2025
From May, 2025, new accounts get a 60-day free trial (up to 6,000 emails/month) instead of the previous permanent free tier. After 60 days, you’re on a paid plan – cutting the time low-volume and early-stage users have to test.
4. The cost cliff at scale
Essentials starts at $35/month for 100,000 emails; Pro at $249/month for 300,000 – a 7x price jump for 3x the volume. Hidden costs compound it: dedicated IPs at $30/month each beyond the first, per-email overage fees, extended activity history at $10–15/month, and testing credits from $18 (30 credits) to $800 (2,000).
5. Support only unlocks at tiers most people don’t pay for – for extra payment
Free trial gets ticket support only; chat and phone are paid add-ons. No real-time help means urgent issues are harder to resolve, and paying extra for faster support erodes value at already-premium prices.
Free SendGrid Alternatives
Several providers offer free plans for testing, sending small campaigns, and low-volume transactional emails – without any strings attached. There are many cheaper alternatives to SendGrid, but the best option depends on whether you prioritize marketing tools, developer features, or the lowest possible sending costs.
That said, here are the best free SendGrid alternatives you can find today:
- Sender: Offers up to 2,500 contacts and 15,000 emails per month. It combines marketing automation and transactional sending, making it a great free SendGrid alternative.
- Brevo: Includes 300 emails per day and supports marketing campaigns, transactional email, SMS, and CRM tools. The daily cap may limit larger sends.
- Mailtrap: Provides up to 4,000 emails per month, capped at 150 per day. Its Email Sandbox helps developers test custom templates, headers, and spam scores before production.
- Amazon SES: New AWS customers receive 3,000 emails per month free during the first 12 months. It is highly affordable afterward but requires technical setup and AWS configuration.
- Mailgun: Offers 100 free emails per day. Its API-first platform is best suited to testing and small transactional workloads managed by developer-led teams.
8 Best SendGrid Alternatives Reviewed & Tested
If you are searching for a tool to replace SendGrid, we have tested the best alternatives worth considering. Each review covers advanced features, where SendGrid still has an advantage, who the alternative is best suited for, its main limitations, and how its pricing compares directly with SendGrid.
The order is not a ranking from best to worst. Each platform has different strengths across transactional email, marketing automation, deliverability, developer experience, and pricing, so the right choice will depend on your use case, sending volume, technical requirements, and budget.
Sender – Marketing And Transactional In One Platform
Sender is an email platform built for teams that want to manage both marketing and transactional email in one place without splitting tools. Unlike Sender’s unified, user-friendly approach, SendGrid is better aligned with teams that need large-scale transactional infrastructure, advanced API control, and dedicated IP management.
From a technical standpoint, setting up a password reset flow via the /emails endpoint with Sender’s Node SDK took around 20 minutes – one of the faster integrations in this list. On the marketing side, running promotional and transactional emails from the same dashboard meant shared suppression lists, segmentation, and reporting without cross-referencing separate platforms.
What Works Well
- Plug-and-play transactional sending. Sender supports SMTP relay and REST API, with guided SPF, DKIM, and DMARC setup. Compared with SendGrid’s deeper but more complex infrastructure, it is easier for smaller teams to launch password reset emails, order confirmations, and shipping updates.
- More sophisticated automation logic. Sender offers multi-step workflows, conditional branches, and behavior-based triggers for lifecycle campaigns. While SendGrid is stronger in transactional infrastructure, Sender provides more accessible visual automation for managing audience paths and campaign sequences.
- 24/7 human support. Sender provides live chat and email support around the clock, including on the free plan – rather than reserving priority support for higher tiers.
Where it Falls Short
- Limited account architecture. Sender does not support advanced structures such as subusers, making it harder to separate traffic, permissions, and sender reputation across teams or clients. SendGrid’s more granular account hierarchy is better suited to agencies and SaaS platforms managing multiple email streams.
- Short log retention. Sender retains email logs for only 1–30 days, depending on the plan. This can limit long-term troubleshooting and analysis compared with platforms offering up to 90 days of history.
Pricing
| Plan | Monthly cost | Contacts | Emails/month |
| Free | $0 | 2,500 | 15,000 |
| Standard | $7 | 1,000 | 12,000 |
| Professional | $14 | 1,000 | 24,000 |
| Enterprise | Custom | Custom | Custom |
Dedicated IPs are available on Professional. Pricing verified July 2026.
SendGrid vs. Sender Breakdown
| Feature | SendGrid | Sender | Winner |
| Primary Use Case | Developer-focused transactional email delivery | All-in-one email marketing and transactional sending | Depends on need |
| Free Plan | Limited free tier (feature/volume constrained) | Free Forever plan with generous email marketing limits | Sender |
| Pricing Structure | Usage-based add-ons (e.g., dedicated IPs, higher tiers) | Simpler tiers designed for SMB budgets | Sender |
| Transactional Email (SMTP/API) | Core strength (SMTP relay + API) | Available (SMTP/API options depending on setup) | SendGrid |
| Marketing Campaigns | Available, but product is more dev-first | Core strength (campaigns, newsletters, segments) | Sender |
| Deliverability Controls | Dedicated IP options; reputation depends on setup | Domain/auth guidance + sending readiness support | Sender |
| Failure Insights & Logs | Event webhooks/logs (technical, dev-oriented) | Clear campaign reporting + practical troubleshooting | SendGrid |
| Account Holds/Suspensions | Compliance holds can disrupt sending | Email migration + deliverability safeguards and guidance | Sender |
| Customer Support | Support level depends on plan | 24/7 customer support on all plans | Sender |
Postmark – Transactional Delivery For Developer Teams
Postmark is a transactional email service built primarily for developer-led teams that need reliable delivery for system-generated messages like password resets, receipts, and notifications.
While SendGrid is a broader, multi-purpose email platform with stronger campaign and marketing capabilities, Postmark is a more focused solution for teams that prioritize simplicity, traffic separation, and predictable delivery of automated emails.
During my hands-on with Postmark, I found Message Streams, which separate transactional and broadcast traffic at the infrastructure level, to be one of Postmark’s standout features. This quite unique feature helps reduce reputation overlap and simplifies traffic management, making deliverability more predictable without requiring complex account structuring or manual IP segmentation.
What Works Well
- Isolated message streams. Postmark separates transactional and broadcast traffic at the infrastructure level, giving each stream independent reputation and metrics without requiring multiple IPs or subaccounts.
- Configurable log retention. Message content, metadata, and delivery events can be stored from 7 to 365 days, supporting debugging, auditing, and historical analysis.
- Low-latency webhooks. Delivery, engagement, bounce, and complaint events are typically sent within seconds, enabling fast application updates and automated workflows.
Where it Falls Short
- Higher cost at scale. Postmark’s premium pricing favors transactional reliability over bulk volume, making it more expensive than infrastructure-first providers for large senders.
- No native marketing automation. It lacks segmentation, workflow builders, and lifecycle tools, so teams need a separate platform for campaigns.
Pricing
| Plan | Monthly cost | Emails/month | Overage cost |
| Developer (Free) | $0 | 100 | Not allowed (hard cap) |
| Basic | $15 | 10,000 | $1.80 per 1,000 emails |
| Pro | $16.50 | 10,000 | $1.30 per 1,000 emails |
| Platform | $18 | 10,000 | $1.20 per 1,000 emails |
DMARC monitoring comes separately for $14/month. Pricing verified July, 2026.
SendGrid vs. Postmark Breakdown
| Feature | SendGrid | Postmark | Winner |
| Deliverability Approach | Strong, but depends on account setup and reputation controls | Strong emphasis on transactional deliverability and consistency | Postmark |
| Templates & Content Tools | Basic templates/editor options | Built-in template management geared to transactional | Postmark |
| Failure Diagnostics | Delivery events are available; depth depends on setup/log use | Message-level visibility designed for troubleshooting | Postmark |
| Marketing Campaigns | Available (more add-on / separate from core transactional) | Limited, broadcast streams available | SendGrid |
| Inbound Email | Available options depending on configuration/add-ons | Inbound email parsing is a core capability | Postmark |
| Multi-Stream Separation | Can separate traffic via subusers/categories/keys | Message Streams built for separating traffic types | Postmark |
Amazon SES – Pay-As-You-Go High-Volume Infrastructure
Amazon SES is a transactional email service built for engineering teams that need cost-efficient, high-volume sending within AWS infrastructure. It is particularly relevant for high-volume senders and engineering teams already operating within AWS. And while SendGrid offers a more accessible platform with easier setup, Amazon SES provides lower-cost, infrastructure-level sending with greater technical control.
Its main advantage over SendGrid is pricing and scalability. SES follows a pure pay-as-you-go model (e.g., around $0.10 per 1,000 emails), which can be significantly cheaper at scale.
During my hands-on, meanwhile, I connected SES with CloudWatch for monitoring and IAM for access control without much friction – but most of the setup happens outside SES itself. Logging, tracking, and alerting all route through other AWS services, which adds around an hour of configuration overhead depending on AWS familiarity.
What Works Well
- Virtual Deliverability Manager (VDM). Amazon SES includes Virtual Deliverability Manager, an optional monitoring layer. Amazon SES can analyze sending performance, flag reputation or infrastructure issues, and provide deliverability guidance, with options for engagement tracking and optimized shared delivery.
- Dedicated IPs with managed warm-up. Senders can use dedicated IPs and gradually ramp volume to build reputation and reduce early deliverability risks.
- Solid deliverability performance. Mailtrap’s 2025 test reported 77.1% inbox placement for Amazon SES, 20.0% spam, and 1.0% missing, which by any means is more than enough.
Where it Falls Short
- Requires hands-on setup. Amazon SES is a low-level service, so teams must manage domain/email authentication, bounce handling, templates, and sending logic themselves. Basic workflows usually require custom code or other AWS services.
- Sandbox restrictions. New accounts are limited to 200 emails per day and verified recipients only. Production access requires AWS review, which can delay launch and scaling.
Pricing
| Component | Monthly cost | Emails/month | Pricing details |
| Free Tier (12 months) | $0 | 3,000 emails/month | New accounts only |
| Standard sending | $0 base | Usage-based | $0.10 per 1,000 emails sent |
| Inbound emails | $0 base | Usage-based | $0.10 per 1,000 emails received |
$0.12 per gigabyte (GB) of data in the attachments you send. Pricing verified July 2026.
SendGrid vs. Amazon SES Breakdown
| Feature | SendGrid | Amazon SES | Winner |
| Pricing Model | Tiered monthly plans based on volume/features | Pay-as-you-go usage pricing | Amazon SES |
| Deliverability Tooling | Deliverability tools + monitoring features; event webhook for near real-time events | Infrastructure-focused sending; deliverability depends on configuration and reputation management | SendGrid |
| Event Tracking & Webhooks | Event Webhook + Email Activity/monitoring options | Programmatic delivery events available via AWS services | SendGrid |
| Setup & Operations | Developer-focused onboarding for email sending via API/SMTP | Requires AWS account setup, IAM, and configuration | SendGrid |
Mailgun – API-First Sending With Deliverability Tools
Mailgun is an API-first email service built for developers who want more control over data quality and sending logic. It is particularly relevant for engineering-heavy use cases where email validation and preprocessing are part of the delivery pipeline rather than add-ons.
While SendGrid provides a broader platform with stronger marketing and campaign features, Mailgun is more focused on programmable sending infrastructure.
I tested this SendGrid alternative by setting up 8 transactional flows using the REST API and SMTP relay – setup took around 1 hour, but once configured, sending was consistent with an average delivery latency of 7.5 seconds (close to ideal).
The API supports multiple SDKs, real-time tracking, and event-driven sending, making Mailgun one of the strongest options for ecommerce flows where order confirmations, shipping updates, and cart recovery are critical.
What Works Well
- Flexible inbound parsing. Mailgun uses route-based logic to forward, store, or send incoming emails to webhooks, making it useful for replies, submissions, and product workflows.
- Granular event tracking. Near-real-time delivery, engagement, bounce, and failure events can feed directly into application logic or analytics systems.
- Mature developer tooling. Mailgun offers a well-documented REST API, SDKs, and CLI tools for templating, domain setup, and sending configuration.
Where it Falls Short
- Steep learning curve. Mailgun’s API-first setup requires developers to implement routing, parsing, and event handling, making it less accessible to non-technical teams.
- Limited log retention. Entry plans store logs for only 1–5 days, so longer-term debugging and analysis may require external storage or a higher tier.
Pricing
| Plan | Monthly cost | Emails/month |
| Free | $0 | 100/day (~3,000/mo) |
| Basic | $15 | 10,000 |
| Foundation | $35 | 50,000 |
| Scale | $90 | 100,000 |
| Enterprise | Custom | Custom |
Sendtime optimization is only available on the Scale plan. Pricing verified July 2026.
SendGrid vs. Mailgun Breakdown
| Feature | SendGrid | Mailgun | Winner |
| Deliverability tools | Deliverability insights are available as part of Email API feature set | Dedicated deliverability suite (inbox placement testing, blocklist monitoring, DMARC reporting via Red Sift) | Mailgun |
| Data residency/regions | Region/data residency options are less clearly presented on core product pages | US + EU regions with account-level control over where data is processed | Mailgun |
| Dedicated IP pools | Dedicated IPs are available as paid add-ons / higher-tier features | Dedicated IP pools are included on higher plans, and IP Pools are a first-class feature | Mailgun |
| Pricing transparency | Pricing is volume + features; add-ons like validation/dedicated IP are common | Pricing page lists included features like dedicated IP pools, validations, log retention by plan | Mailgun |
Mailtrap – Email Testing And Production Sending
Mailtrap is a transactional email platform built for developers and product teams, where visibility into performance and tighter control over sending behavior matter most. Unlike SendGrid’s broader marketing and transactional platform, Mailtrap focuses narrowly on testing and application email infrastructure.
What stands out is how Mailtrap’s sandbox-first approach fits ecommerce workflows. I ran a batch of 30 order-confirmation emails through Mailtrap’s sandbox before pushing any live. Every send was physically captured – headers, HTML rendering, and spam score in one view – and two templates I’d assumed were clean flagged a DKIM misalignment I’d have shipped otherwise. That caught-it-before-production safety is Mailtrap’s real edge for ecommerce flows.
What Works Well
- Separate sending streams. Mailtrap isolates transactional and bulk traffic, helping protect reputation and improve delivery consistency for critical emails.
- Detailed analytics. Near-real-time provider data, delivery statuses, bounces, and complaints make performance issues easier to diagnose.
- Developer-focused tooling. Mailtrap supports SMTP, REST APIs, and official SDKs for teams integrating email directly into application workflows.
Where it Falls Short
- Limited integrations. Mailtrap lacks a broad native integration ecosystem, so connecting it to CRM or marketing stacks may require custom work.
- Restricted free plan. Low sending limits and gated features make the free tier better suited to testing than production use.
Pricing
| Plan | Monthly cost | Emails/month |
| Free | $0 | 4,000 emails, 150/day |
| Basic | $15 | 10,000 |
| Business | $85 | 100,000 |
| Enterprise | $750 | 1,500,000+ |
| Custom | Custom | Custom |
Live chat support is only available from Business plan. Pricing verified July 2026.
SendGrid vs. Mailtrap Breakdown
| Feature | SendGrid | Mailtrap | Winner |
| Built-in email testing | No comparable first-party sandbox positioned as part of core Email API product | Dedicated Email Sandbox for inspecting/debugging messages without sending to real inboxes | Mailtrap |
| CI / automated testing support | Event Webhook is designed for production event data, not pre-send email QA | Testing workflows and API-based checks for email QA (e.g., validate emails in CI) | Mailtrap |
| Event tracking & webhooks | Event Webhook provides near real-time event data for monitoring/logging | Supports Email API/SMTP; event tooling exists but is less prominently defined on core pages | SendGrid |
Brevo – Marketing And Transactional With Multichannel
Brevo is a combined marketing and transactional platform built for marketing teams that want to handle both marketing and transactional messaging without adding another tool. It fits best for small teams managing campaigns, email automation, and landing pages in one place.
While SendGrid is more developer- and infrastructure-focused, Brevo prioritizes built-in marketing automation and multichannel customer engagement.
I set up a multichannel flow – welcome email, SMS reminder, and conditional follow-up – in around 30 minutes without connecting separate tools. Transactional flows like order confirmation emails ran from the same dashboard as marketing campaigns, keeping suppression lists and contact records unified.
What works well
- Unified marketing and transactional email. Brevo manages campaigns and system messages in one platform, reducing the need for separate tools.
- Built-in multichannel messaging. Email and SMS marketing can be coordinated within the same workflows on supported plans.
- Strong ecommerce support. Teams can set up order updates, shipping notifications, and re-engagement campaigns with minimal configuration.
Where it falls short
- Limited deliverability controls. Dedicated IPs and advanced sending options are restricted to higher tiers.
- Basic analytics. Reporting covers core metrics but offers less depth for debugging and event-level tracking.
Pricing
| Plan | Monthly cost | Emails/month |
| Free | $0 | 300/day (~9,000/mo) |
| Starter | $9 | 5,000 |
| Business | $18 | 5,000 |
| Professional | $499 | 150,000 |
Starter plan comes with Brevo’s branding, which costs an additional $10.80/month to be removed. Pricing verified July 2026.
SendGrid vs. Brevo Breakdown
| Feature | SendGrid | Brevo | Winner |
| Primary Use Case | Developer-focused transactional email delivery | Multichannel platform (marketing + transactional messaging) | Brevo |
| Marketing Campaigns | Available, but positioned around reliable Email API delivery | Built-in marketing messaging (email/SMS/WhatsApp available via API and platform tools) | Brevo |
| Multichannel Messaging | Primarily email sending (Email API / SMTP) | Email + SMS + WhatsApp supported in the platform/API | Brevo |
| Deliverability / Reliability Controls | Dedicated IPs, custom domains, deliverability features highlighted | Transactional product emphasizes fast sending and integrations; specifics vary by plan | SendGrid |
| Developer Documentation | Extensive developer docs and API resources | API reference and docs for transactional sending are provided | SendGrid |
UniOne – API-First Sending With White Label Option
UniOne is a transactional email service for teams that want reliable sending with minimal setup and responsive technical support.
Its strongest advantage is built-in suppression handling: hard bounces and complaints are automatically added to suppression lists without separate webhook configuration, while guided domain setup and clear SMTP scaling documentation reduce implementation friction. However, its automation features are limited, and dedicated IP warm-up follows predefined volume limits that may restrict high-volume scaling.
Overall, this SendGrid alternative is a strong fit for teams prioritizing straightforward transactional delivery over advanced workflow automation and granular infrastructure control.
Pricing
| Plan | Monthly cost | Emails/month |
| Free Trial | $0 | 6,000 |
| Standard | From $6 | 10,000+ |
| Individual | Custom | Custom |
Dedicated IP costs $40/month, plus a one-time $20 set up fee. Pricing verified July 2026.
SendGrid vs. UniOne Breakdown
| Feature | SendGrid | UniOne | Winner |
| Setup & onboarding | More layered setup across API, marketing, and account settings | Faster domain and sender setup with clearer configuration status | UniOne |
| SMTP throughput guidance | Less explicit operational guidance for SMTP scaling | Provides clearer recommendations for connection limits and parallel sending | UniOne |
| Pricing simplicity | Broader pricing structure with more feature gates | More straightforward for basic sending use cases | UniOne |
| Marketing features | Marketing Campaigns product available | Limited automation and no advanced journey builder | SendGrid |
| Ecosystem maturity | Larger ecosystem, more integrations, docs, and community support | Smaller platform with fewer third-party resources | SendGrid |
| Event webhooks | Very mature event webhook system with broader adoption | Real-time tracking for delivery, bounces, opens, and complaints | SendGrid |
| Scale and enterprise fit | Better suited for complex enterprise sending and support needs | Good for straightforward high-volume sending | SendGrid |
| Dedicated IP warm-up | More established tooling and guidance for large-scale IP management | Warm-up can follow predefined limits | SendGrid |
Mailchimp Transactional – For Existing Mailchimp Users
Mailchimp Transactional (Mandrill) is best suited to teams already using Mailchimp that want to add transactional email without introducing another provider.
Its biggest advantage over SendGrid is direct access to existing Mailchimp audience data, templates, and campaign insights, making it easier to personalize system emails and keep marketing and transactional messaging aligned. The API and SMTP options are flexible, but setup still requires developer involvement.
The main drawback is cost: Mandrill is not available as a standalone service and requires a paid Mailchimp Marketing plan in addition to transactional email fees, making it difficult to justify for teams that only need application email.
Pricing
Mailchimp’s transactional email pricing is based on blocks of 25,000 emails, so you purchase credits in advance and each block covers that number of emails. The cost scales with volume, making it easy for businesses (online stores, SaaS, etc.) to manage expenses as their sending needs grow.
| Volume tier | Emails covered | Price per block (25,000 emails) |
| 1–20 blocks | Up to 500,000 emails | $20 |
| 21–40 blocks | 500,000 – 1,000,000 emails | $18 |
| 41–80 blocks | 1,000,000 – 2,000,000 emails | $16 |
| 81–120 blocks | 2,000,000 – 3,000,000 emails | $14 |
| 121–160 blocks | 3,000,000 – 4,000,000 emails | $12 |
| 161+ blocks | 4,000,000+ emails | $10 |
Mailchimp’s credits don’t roll over to the next month. Pricing verified July 2026.
SendGrid vs. Mailchimp Transactional Breakdown
| Feature | SendGrid | Mailchimp Transactional | Winner |
| Ecosystem Integration | Separate product stack (transactional-first) | Designed to pair with Mailchimp’s marketing platform | SendGrid |
| Billing Fit for Irregular Volume | Monthly tiers are often better for steady volumes | Prepaid email blocks can be simpler for teams with spiky/seasonal sends | Mailchimp Transactional |
| Template Workflow | Dynamic templates available; workflow varies by setup | Transactional templates managed in the Mandrill environment (good for template-driven system email) | Mailchimp Transactional |
SendGrid Competitors Price Comparison Table
| Platform | 10,000 emails/mo | 50,000 emails/mo | 100,000 emails/mo | 500k emails/mo | Dedicated IP cost |
| Sender | $7/mo | $23/mo | $40/mo | $145/mo | Included (on high-end tier) |
| Postmark | $15/mo | $55/mo | $115/mo | $455/mo | $50/mo |
| Amazon SES | $1/mo | $5/mo | $10/mo | $50/mo | $25/mo |
| Mailgun | $15/mo | $35/mo | $75/mo | $400/mo | $59/mo |
| Mailtrap | $15/mo | $20/mo | $35/mo | $400/mo | Included (on high-end tier) |
| Brevo | $17/mo | $56/mo | $82/mo | $429/mo | $251/year |
| UniOne | $6/mo | $25/mo | $40/mo | $300/mo | $40/mo (+ $20 set up fee) |
| Mailchimp Transactional Email | $20/mo | $40/mo | $80/mo | $400/mo | $30/mo |
** Sender is operated by the publisher of this article. Reviewed using the same methodology as all other platforms.
What is Not Included in the Entry Price
| Provider | Not included in the entry price |
| Sender | Branding remains on free plan; no dedicated IPs on lower tiers; advanced deliverability diagnostics and controls limited to higher plans |
| Amazon SES | No built-in UI or campaign dashboard; no native email validation; support requires separate AWS plan; IP warm-up and deliverability setup handled manually |
| Postmark | No marketing campaigns or list management; dedicated IPs not standard; designed strictly for transactional email use cases |
| Mailgun | Log retention limited on entry tier; email validation credits not included; dedicated IPs and inbox placement tools gated to higher plans |
| UniOne | Limited integrations and ecosystem; Data retention is shorter |
| Mailtrap | Short log retention on free tier; no marketing automation or campaign tools; no native CRM or audience management layer |
| Mailchimp Transactional | Requires separate Mailchimp marketing plan; no dedicated IPs on lower tiers; prepaid email blocks expire if unused |
| Brevo | SMS billed separately; advanced deliverability controls (e.g., dedicated IP) not included on lower plans; some automation and analytics features gated to higher tiers |
How to Switch from SendGrid
Moving from SendGrid requires more than replacing an API key. A careful migration helps protect high deliverability, preserve suppression data, and avoid sudden sending disruptions.
That said, here are the four main steps that will help you switch from SendGrid without any hiccups:
- Export your suppression lists. Download blocked addresses, bounces, spam complaints, and unsubscribes from SendGrid, then import them into your new provider before sending.
- Re-authenticate your domains. Add the new SPF and DKIM records provided by the replacement platform, confirm DMARC alignment, and verify every sending domain before switching traffic.
- Warm up new IPs gradually. If you are moving to a dedicated IP, start with your most engaged recipients and increase volume steadily. Avoid transferring your full SendGrid volume immediately.
- Finish the migration. Your chosen SendGrid alternative’s support team can help transfer your sending setup, authenticate domains, and configure transactional and marketing workflows.
even on the free plan.
FAQs
You should consider a SendGrid alternative when email needs expand beyond basic transactional delivery or when teams require different tooling, reporting depth, or workflow flexibility. Common reasons also include the need for built-in marketing automation, simpler account management, clearer failure diagnostics, GDPR requirements, or infrastructure better suited to specific volumes or compliance requirements.
No, not every SendGrid alternative requires developers on hand. Some alternatives are built for engineering teams and rely heavily on APIs, webhooks, and configuration at the code level. Others, including Sender, provide dashboards, visual workflows, and non-technical setup options for marketing or operations teams.
Very few SendGrid alternatives support dedicated IPs on entry plans. Among the listed SendGrid alternatives, only Amazon SES and UniOne let entry-level users purchase dedicated IPs without upgrading to a higher plan. Brevo limits dedicated IPs to Enterprise and Professional plans, similarly to Sender, which only offers them on higher-volume plans.
Yes, several SendGrid alternatives offer free plans for low-volume sending. Brevo, for instance, includes up to 300 emails per day alongside marketing, transactional, and CRM tools. Sender offers an even more generous free plan, with up to 2,500 contacts and 15,000 emails per month, plus automation and transactional sending in one platform.
Sender is one of the cheapest SendGrid alternatives for teams that need both marketing and transactional email, with a free plan and paid tiers starting at $7 per month. For businesses focused only on transactional email and comfortable with technical setup, Amazon SES is usually the lowest-cost option at around $0.10 per 1,000 emails.
Yes, SendGrid no longer offers a Free Forever plan. Starting from May, 2025, new users get a 60-day trial which comes with 6,000 monthly emails and up to 2,000 contacts, after which they must upgrade to a paid plan.