How do I get a free SendGrid API key?

To get a free SendGrid API key, visit their official developer portal at https://sendgrid.com/docs/API_Reference/api_getting_started.html, sign up for a free developer account, and generate your API key from the dashboard. You can use it within the free tier rate limit of 100 emails/day.

What is the rate limit for SendGrid API?

SendGrid provides a free tier rate limit of: 100 emails/day. For high-throughput production requirements beyond this allowance, refer to their official documentation.

Can I use SendGrid in commercial projects?

Most free endpoints permit commercial or prototyping use within fair use terms. Please inspect official provider docs for production SLAs.

Does FreeAPI store data or charge fees for this service?

No. FreeAPI is an independent API directory and developer showcase. It does not sell third-party data or charge fees; it connects developers directly to official public endpoints.

Email ServicesKey RequiredFeatured

SendGridFree REST API

Cloud-based email delivery service, marketing campaigns, and transactional APIs

API Docs

Developer Workbench & Live ConsoleKey Required

Test real endpoints directly, inspect live JSON, or copy implementation code.

Official Docs

Endpoint Requestauth_required

GET

curl -X GET "https://api.sendgrid.com/v3/mail/send" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer <YOUR_API_KEY>"

ResponseReady / Idle

Ready for Live Evaluation

Click [ Send Request ] to dispatch a real request via FreeAPI proxy and inspect real JSON payloads.

Rate Limit

100 emails/day

Auth Mode

Key Required

Security & CORS

HTTPS • CORS Ready

Protocol

REST / JSON

An external API key is required to authenticate requests with SendGrid. Allowance: 100 emails/day.

Get API Key ↗

DigitalOcean

$200 Free Cloud Credit

ScraperAPI

5,000 Free API Credits

Bright Data

Web Unlocker & Proxies

COMPANION DEVELOPER TOOL0ms Client Sandbox

ICANN RDAP / Modern WHOIS Domain Inspector

Authoritative ICANN RDAP (RFC 9082) domain registry inspector for expiration dates, registrar metadata, and DNSSEC.

Launch Tool

Interactive Web Tool Available

Test and interact with this service in your browser using our ICANN RDAP / Modern WHOIS Domain Inspector tool.

Open Live Tool

Head-to-Head Comparison

Resend vs SendGrid: Which Transactional Email API is Better?

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Frequently Asked Questions (FAQ)

Technical and integration answers for SendGrid.

Yes, SendGrid is listed as a free endpoint on FreeAPI Directory with an allowance of: 100 emails/day.

Official Service Provider Ownership: SendGrid

All data feeds, trademarks, and documentation belong directly to the original API provider. FreeAPI serves purely as a discovery index and documentation reference for developers.

DMCA / Takedown Request

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