# EmailOctopus Contact API

**Canonical:** https://apis.io/apis/emailoctopus/emailoctopus-contact-api/  
**Provider:** EmailOctopus — https://apis.io/providers/emailoctopus/  
**Base URL:** https://api.emailoctopus.com  
**Documentation:** https://emailoctopus.com/api-documentation/v2

EmailOctopus Contact API is one of 6 APIs that [EmailOctopus](https://apis.io/providers/emailoctopus/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Contact and Email Marketing. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Manage subscribers on a list: create, read, update, delete, upsert by email address, and update many at once through the batch endpoint. The upsert (PUT /lists/{list_id}/contacts) is the safe-retry path, since the API publishes no idempotency key. 7 operation(s) in the EmailOctopus v2 OpenAPI 3.1.0.

## Machine-readable artifacts (6)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/emailoctopus/refs/heads/main/openapi/emailoctopus-contact-api-openapi.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/emailoctopus/refs/heads/main/overlays/emailoctopus-contact-overlay.yaml
- **Documentation** — https://emailoctopus.com/api-documentation/v2
- **APIReference** — https://emailoctopus.com/api-documentation/v2
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/emailoctopus/refs/heads/main/collections/emailoctopus-contact-api.postman_collection.json
- **OpenCollection** — https://raw.githubusercontent.com/api-evangelist/emailoctopus/refs/heads/main/collections/emailoctopus-contact-api.opencollection.json

## Other EmailOctopus APIs (5)

- [EmailOctopus Automation API](https://apis.io/apis/emailoctopus/emailoctopus-automation-api/)
- [EmailOctopus Campaign API](https://apis.io/apis/emailoctopus/emailoctopus-campaign-api/)
- [EmailOctopus Field API](https://apis.io/apis/emailoctopus/emailoctopus-field-api/)
- [EmailOctopus List API](https://apis.io/apis/emailoctopus/emailoctopus-list-api/)
- [EmailOctopus Tag API](https://apis.io/apis/emailoctopus/emailoctopus-tag-api/)

## Tags

Contact, Email Marketing

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/emailoctopus/emailoctopus-contact-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/emailoctopus/.