⚠️ Legacy Notice
This version of the API (v1) is now considered legacy and is no longer actively maintained. We recommend migrating to [API v2](/content/api-documentation/v2 "API v2"/index.html) for new features, improvements, and ongoing support.
Use our API to give an application or website permission to interact with your EmailOctopus account.
Requests
- All requests require a valid API key.
- Requests should be made using HTTPS.
- JSON objects are recommended for POST requests, but form parameters are also accepted.
- If you're making a JSON request, include a
Content-Type: application/jsonheader. - All parameters are required unless otherwise specified.
Response
- Data returned in JSON.
- Any non-200 HTTP response code can be considered an error.