# Fixture Custom Fields API

**Canonical:** https://apis.io/apis/fixture/fixture-custom-fields-api/  
**Provider:** Fixture — https://apis.io/providers/fixture/  
**Base URL:** https://beta-api.fixture.app/api/v1  
**Documentation:** https://fixture.app/docs/api-reference/overview

Fixture Custom Fields API is one of 14 APIs that [Fixture](https://apis.io/providers/fixture/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Custom Fields. The published artifact set on APIs.io includes an OpenAPI specification.

The Custom Fields API from Fixture — 8 operation(s) for custom fields.

## Operations (11)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/v1/custom-fields/{record_kind}` | List custom fields |
| POST | `/api/v1/custom-fields/{record_kind}` | Create a custom field |
| PUT | `/api/v1/custom-fields/{record_kind}/layout` | Save a custom field layout |
| DELETE | `/api/v1/custom-fields/{record_kind}/{definition_id}` | Delete a custom field |
| PATCH | `/api/v1/custom-fields/{record_kind}/{definition_id}` | Update a custom field |
| POST | `/api/v1/custom-fields/{record_kind}/{definition_id}/archive` | Archive or restore a custom field |
| DELETE | `/api/v1/custom-fields/{record_kind}/{definition_id}/conversion-mappings/{destination_kind}` | Remove a Lead field mapping |
| PUT | `/api/v1/custom-fields/{record_kind}/{definition_id}/conversion-mappings/{destination_kind}` | Confirm a Lead field mapping |
| GET | `/api/v1/custom-fields/{record_kind}/{definition_id}/conversion-mappings/{destination_kind}/preview` | Preview a Lead field mapping |
| POST | `/api/v1/custom-fields/{record_kind}/{definition_id}/options` | Add a custom field option |
| PATCH | `/api/v1/custom-fields/{record_kind}/{definition_id}/options/{option_id}` | Update a custom field option |

## Machine-readable artifacts (1)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/fixture/refs/heads/main/openapi/fixture-custom-fields-api-openapi.yml

## Other Fixture APIs (12)

- [Fixture Accounts API](https://apis.io/apis/fixture/fixture-accounts-api/)
- [Fixture Activities API](https://apis.io/apis/fixture/fixture-activities-api/)
- [Fixture Contacts API](https://apis.io/apis/fixture/fixture-contacts-api/)
- [Fixture Deals API](https://apis.io/apis/fixture/fixture-deals-api/)
- [Fixture API](https://apis.io/apis/fixture/fixture-fixture-api-api/)
- [Fixture Leads API](https://apis.io/apis/fixture/fixture-leads-api/)
- [Fixture Notes API](https://apis.io/apis/fixture/fixture-notes-api/)
- [Fixture Pipelines API](https://apis.io/apis/fixture/fixture-pipelines-api/)
- [Fixture Task Statuses API](https://apis.io/apis/fixture/fixture-task-statuses-api/)
- [Fixture Tasks API](https://apis.io/apis/fixture/fixture-tasks-api/)
- [Fixture Users API](https://apis.io/apis/fixture/fixture-users-api/)
- [Fixture Lead Lists API](https://apis.io/apis/fixture/fixture-lead-lists-api/)

## Tags

Custom Fields

---

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