# eusend-dev Contact properties API

**Canonical:** https://apis.io/apis/eusend-dev/eusend-dev-contact-properties-api/  
**Provider:** eusend-dev — https://apis.io/providers/eusend-dev/  
**Base URL:** https://api.eusend.dev  
**Documentation:** https://eusend.dev/docs

eusend-dev Contact properties API is one of 12 APIs that [eusend-dev](https://apis.io/providers/eusend-dev/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Contact properties. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

The custom fields contacts carry, and the fallbacks they render with.

## Operations (5)

| Method | Path | Summary |
|---|---|---|
| POST | `/contact-properties` | Declare a contact property |
| GET | `/contact-properties` | List contact properties |
| GET | `/contact-properties/{id}` | Get a contact property |
| PATCH | `/contact-properties/{id}` | Update a contact property |
| DELETE | `/contact-properties/{id}` | Delete a contact property |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/eusend-dev/openapi/eusend-dev-contact-properties-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/eusend-dev/json-schema/eusend-dev-domain-schema.json
- **JSONSchema** — https://artifacts.apis.io/eusend-dev/json-schema/eusend-dev-send-email-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/eusend-dev/json-schema/eusend-dev-broadcast-schema.json
- **JSONSchema** — https://artifacts.apis.io/eusend-dev/json-schema/eusend-dev-email-schema.json
- **JSONSchema** — https://artifacts.apis.io/eusend-dev/json-schema/eusend-dev-batch-contacts-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/eusend-dev/json-schema/eusend-dev-update-broadcast-request-schema.json

## Other eusend-dev APIs (11)

- [eusend-dev API keys API](https://apis.io/apis/eusend-dev/eusend-dev-api-keys-api/)
- [eusend-dev Audiences API](https://apis.io/apis/eusend-dev/eusend-dev-audiences-api/)
- [eusend-dev Broadcasts API](https://apis.io/apis/eusend-dev/eusend-dev-broadcasts-api/)
- [eusend-dev Contacts API](https://apis.io/apis/eusend-dev/eusend-dev-contacts-api/)
- [eusend-dev Domains API](https://apis.io/apis/eusend-dev/eusend-dev-domains-api/)
- [eusend-dev Emails API](https://apis.io/apis/eusend-dev/eusend-dev-emails-api/)
- [eusend-dev Suppressions API](https://apis.io/apis/eusend-dev/eusend-dev-suppressions-api/)
- [eusend-dev System API](https://apis.io/apis/eusend-dev/eusend-dev-system-api/)
- [eusend-dev Templates API](https://apis.io/apis/eusend-dev/eusend-dev-templates-api/)
- [eusend-dev Topics API](https://apis.io/apis/eusend-dev/eusend-dev-topics-api/)
- [eusend-dev Webhooks API](https://apis.io/apis/eusend-dev/eusend-dev-webhooks-api/)

## Tags

Contact properties

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