Best Free Email APIs for Developers
postmarkapp.com
Send fast, reliable transactional emails with Postmark's API & SMTP. Get your first 25,000 emails free. Deliver critical messages instantly!
無料ディレクトリ (Page 9)
Discover 545+ free developer tools, APIs, webhooks, cloud services, and AI developer platforms. Hand-curated directory with verified free tiers. — 545 items. (Page 9 of 17)
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Best Free Email APIs for Developers
mailtrap.io
Test emails safely with Mailtrap's free fake SMTP server. Get 1 inbox, 50 messages, and 2 emails/sec for development. Debug your emails now!
Best Free Email APIs for Developers
sendinblue.com
Boost your campaigns with Sendinblue's free email marketing and transactional email API. Send up to 9,000 emails/month for free. Get...
Best Free Email APIs for Developers
mailjet.com
Mailjet provides a reliable free email service for developers and businesses. Send up to 6,000 emails/month via API or SMTP. Get started...
Best Free Email APIs for Developers
phplist.com
phpList offers a free hosted version for email marketing campaigns. Send up to 300 emails/month and manage newsletters with ease. Start...
Best Free Email APIs for Developers
sendgrid.com
SendGrid offers a robust free email API for developers. Send transactional & marketing emails with ease. Get started with 12,000 free...
Best Free Email APIs for Developers
sendloop.com
Discover Sendloop Free Email Service! Send up to 10,000 emails to 2,000 subscribers monthly. Powerful features for your campaigns. Get...
Best Free Email APIs for Developers
mailchimp.com
Get started with Mailchimp Free Email Marketing! Manage up to 2,000 contacts and send 12,000 emails/month. Grow your audience with...
Best Free Email APIs for Developers
tinyletter.com
Launch your free email newsletter with TinyLetter! Connect with up to 5,000 subscribers monthly. Simple, personal, and effective. Start...
Best Free Email APIs for Developers
mailgun.com
Get started with Mailgun's Free Transactional Email API. Send 10,000 emails/month, ensure high deliverability, and integrate easily into...
Best Free Email APIs for Developers
sparkpost.com
Send 100,000 emails/month free with SparkPost's powerful Email API. Integrate easily, ensure high deliverability, and scale your...
Best Free Monitoring Services for Developers
appneta.com
Monitor your applications with AppNeta's free tier, providing 1 hour of data retention for performance insights. Gain visibility into...
Best Free Monitoring Services for Developers
opbeat.com
Get instant JavaScript performance monitoring with Opbeat's free tier, offering 24-hour data retention. Optimize your JS apps...
Best Free AI Chat Interfaces for Developers
freegpt.es
Explore freegpt.es, a platform that formerly offered free GPT chat and various AI models like GPT-4o. Learn about its past features and...
Best Free Tools for Teams & Collaboration for Developers
Typetalk: Free Team Instant Messaging & Collaboration Tool
Typetalk offers free team instant messaging for web & mobile. Share ideas, discuss projects, and collaborate efficiently with your team....
Best Free Tools for Teams & Collaboration for Developers
Scinote: Free Scientific Data Management & Lab Collaboration
Scinote offers free scientific data management for labs. Collaborate with unlimited users, get backup, and 1GB storage. Start managing...
Best Free AI Chat Interfaces for Developers
Poe: Free AI Chat Platform with Multiple LLMs
Engage with diverse AI models on Poe, a free chat platform offering 3,000 tokens daily. Explore various LLMs for conversations and...
Best Free AI Chat Interfaces for Developers
freegpt.es Removed: Find Free AI Chat Alternatives
freegpt.es is no longer available. Discover top free AI chat interfaces and powerful LLM tools that offer similar capabilities. Explore...
Best Free Email APIs for Developers
Mailinator: Free Disposable Email for Testing & Privacy
Use Mailinator's free disposable email service for testing, sign-ups, and privacy. Access any public inbox instantly, no registration...
Best Free Search Services for Developers
Indexisto: Free Site Search for 10M Documents with Ads
Implement Indexisto's free site search for up to 10 million documents. Enhance user experience with powerful search, supported by ads....
Best Free Search Services for Developers
Searchly: Free Search Service with 2 Indices & 5MB Storage
Get started with Searchly's free search service, offering 2 indices and 5MB storage for your projects. Integrate powerful search...
Best Free Search Services for Developers
Bonsai.io Free Elasticsearch: Hosted Search & Analytics
Get Bonsai.io's free Elasticsearch hosting with 1GB memory & 1GB storage. Power your search & analytics projects with ease. Deploy your...
Best Free Search Services for Developers
Swiftype Free Search: Hosted Site Search & API for Devs
Get Swiftype's hosted site search solution for free! Power your website with a single search engine & up to 1,000 documents. Upgrade for...
Best Free Search Services for Developers
Algolia Free Search: Instant Search API for Developers
Get Algolia's powerful instant search API for free! Build lightning-fast search experiences with 10k documents & 100k ops. Start your...
Best Free Crash & Exception Handling Services for Developers
Sentry: Free Error Tracking & Performance Monitoring for Devs
Get Sentry error tracking for free! Monitor app exceptions & performance in real-time. Self-host for unrestricted use or use the...
Best Free Crash & Exception Handling Services for Developers
Bugsnag: Free Error Monitoring & Crash Reporting for Apps
Get Bugsnag error monitoring for free! Track up to 2,000 errors/month after trial to ensure app stability. Proactively fix bugs &...
Best Free Crash & Exception Handling Services for Developers
Rollbar: Free Error Monitoring & Exception Handling for Devs
Get real-time Rollbar error monitoring for your apps. Track 5,000 errors/month free, unlimited users & 30-day retention. Start improving...
Best Free Monitoring Services for Developers
Monique.io: Free Custom Dashboards & Monitoring
Build custom dashboards and define alarms from diverse data sources with Monique.io's free monitoring. Gain insights from SQL, JSON,...
Best Free Monitoring Services for Developers
DNS Spy: Free DNS Monitoring & Security Alerts
Secure your domain with DNS Spy's free DNS monitoring. Get alerts for changes, RFC violations, and maintain DNS integrity. Protect your...
Best Free Monitoring Services for Developers
AppBeat: Free Website & Uptime Monitoring Service
Monitor your website's uptime and performance with AppBeat's reliable free website monitoring. Get instant alerts and ensure your...
Best Free Monitoring Services for Developers
Healthchecks.io: Free Cron Job & Background Task Monitoring
Healthchecks.io offers unlimited free cron job monitoring and background task supervision. Ensure your scheduled tasks run reliably. Get...
Best Free Monitoring Services for Developers
OpsDash: Free Server & Service Monitoring for 5 Hosts
OpsDash offers free server monitoring for up to 5 servers and 5 services. Gain insights into your self-hosted infrastructure. Start...
Best Free Monitoring Services for Developers
APImetrics: Free API Performance Monitoring & Testing
Monitor your APIs with APImetrics' free plan. Get automated API performance monitoring, testing, and analytics. Start optimizing your...