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Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Email
  3. /Sendgrid
Email
Sendgrid logo

Sendgrid

A cloud-based SMTP provider that allows you to send emails without having to maintain email servers.

Sendgrid API is a free Email API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.

Authentication
apiKey
HTTPS
Yes
CORS
Unknown
Category
Email
Visit documentation ↗docs.sendgrid.com

About Twilio

The SendGrid API reference provides detailed descriptions and code samples for every Twilio SendGrid API.

Provider
Twilio
Website
docs.sendgrid.com ↗

Details from docs.sendgrid.com.

APILayer

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Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.

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Sendgrid API alternatives

RankFabrik Verify logo

RankFabrik Verify

Validate email addresses for deliverability, syntax and disposable detection

apiKeyHTTPSCORS ?
Sendinblue logo

Sendinblue

A service that provides solutions relating to marketing and/or transactional email and/or SMS

apiKeyHTTPSCORS ?
PostStack logo

PostStack

EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics

apiKeyHTTPSNo CORS
SendRaven logo

SendRaven

Email for AI agents: send email, receive replies as threads, with per-key send limits and approvals

apiKeyHTTPSNo CORS
Nitrosend logo

Nitrosend

Send marketing and transactional email; manage contacts, segments and flows

apiKeyHTTPSNo CORS
SMTPfast logo

SMTPfast

Send transactional email, manage contacts and broadcasts, free 3,000 emails/month

apiKeyHTTPSCORS

Sendgrid API FAQ

Who provides the Sendgrid API?

The Sendgrid API is provided by Twilio (docs.sendgrid.com). The SendGrid API reference provides detailed descriptions and code samples for every Twilio SendGrid API.

Is the Sendgrid API free?

Yes. The Sendgrid API is listed in the Email category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the Sendgrid API require an API key?

Yes. The Sendgrid API uses apiKey authentication, so you need to register for credentials before making requests.

Can I call the Sendgrid API from the browser?

CORS support for the Sendgrid API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.

Does the Sendgrid API support HTTPS?

Yes. The Sendgrid API is served over HTTPS, so it's safe to use in production.