Sendinblue
A service that provides solutions relating to marketing and/or transactional email and/or SMS
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Data source
- public-apis + marcelscruz
- Documentation / URL
- https://developers.sendinblue.com/docs
Overview
Sendinblue (now Brevo) provides transactional email, marketing campaigns, SMS, and contact management. The API lives at api.brevo.com/v3 (verified live — the host responds; an invalid key returns 401).
Quick Start
Account info (replace YOUR_KEY):
curl "https://api.brevo.com/v3/account" \
-H "api-key: YOUR_KEY"{ "email": "[email protected]", "plan": [{ "type": "free", "credits": 300 }] }Send transactional email:
curl -X POST "https://api.brevo.com/v3/smtp/email" \
-H "api-key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"sender": { "email": "[email protected]" },
"to": [{ "email": "[email protected]" }],
"subject": "Hello",
"htmlContent": "\<h1>Hi!</h1>"
}'Authentication
- Register at brevo.com (formerly sendinblue.com) → API key (Settings → API Keys).
- Send it as the
api-keyheader (invalid key → 401, verified).
Rate Limits & Notes
- Free tier: 300 emails/day; paid plans scale.
- The API rebranded with the company:
api.brevo.com/v3(the old sendinblue host redirects). - Endpoints:
/v3/smtp/email(transactional),/v3/contacts,/v3/emailCampaigns,/v3/account. - Batch sending and webhooks are supported.
FAQ
Is Sendinblue free? Free tier: 300 emails/day; more is paid.
Why api.brevo.com?
Sendinblue rebranded to Brevo — the API is now at api.brevo.com/v3.
How do I get a key? brevo.com → Settings → API Keys.
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