freeapis

mailjet

Marketing email can be sent and mail templates made in MJML or HTML can be sent using API

Authentication
API Key
HTTPS
Yes
CORS
Unknown
Category
Business
Documentation / URL
https://www.mailjet.com/

Overview

Mailjet provides email sending and analytics — key-based (an invalid key returns 401, verified).

Quick Start

Templates (replace YOUR_KEY — HTTP basic auth):

curl "https://api.mailjet.com/v3/REST/template" \
  -u "YOUR_API_KEY:YOUR_SECRET_KEY"
{ "Count": 1, "Data": [ { "ID": 123, "Name": "Welcome", "IsActive": true } ] }

Authentication

  • Register at mailjet.com → API + secret key.
  • HTTP Basic auth with API key as username and secret as password (invalid → 401, verified).

Rate Limits & Notes

  • Free tier: 200 emails/day (check the docs); paid plans scale.
  • REST v3 API: templates, contacts, campaigns.

FAQ

Is Mailjet free? Free tier: 200 emails/day; more is paid.

Why 401? Invalid keys return 401 (verified) — use Basic auth.

What’s the auth style? Basic auth (API key + secret).

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