# Jira Issue custom field values (apps) API

**Canonical:** https://apis.io/apis/jira/jira-issue-custom-field-values-apps-api/  
**Provider:** Jira — https://apis.io/providers/jira/  
**Base URL:** https://your-domain.atlassian.net/rest/api/2  
**Documentation:** https://developer.atlassian.com/cloud/jira/platform/rest/v2/intro/

Jira Issue custom field values (apps) API is one of 132 APIs that [Jira](https://apis.io/providers/jira/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Issue Custom Field Values (Apps). The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, and an API reference.

This resource represents the values of custom fields added by [Forge apps](https://developer.atlassian.com/platform/forge/). Use it to update the value of a custom field on issues.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| POST | `/rest/api/3/app/field/value` | Update custom fields |
| PUT | `/rest/api/3/app/field/{fieldIdOrKey}/value` | Update custom field value |

## Machine-readable artifacts (6)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/jira/refs/heads/main/openapi/jira-issue-custom-field-values-apps-api-openapi.yml
- **Documentation** — https://developer.atlassian.com/cloud/jira/platform/rest/v3/intro/
- **Authentication** — https://developer.atlassian.com/cloud/jira/platform/rest/v3/intro/#authentication
- **Documentation** — https://developer.atlassian.com/cloud/jira/software/rest/intro/
- **Documentation** — https://developer.atlassian.com/cloud/jira/service-desk/rest/intro/
- **APIReference** — https://developer.atlassian.com/cloud/jira/platform/rest/v3/api-group-issues/

## Other Jira APIs (12)

- [Jira Cloud Platform REST API v2](https://apis.io/apis/jira/jira-cloud-platform-rest-api-v2/)
- [Jira Service Management Operations REST API](https://apis.io/apis/jira/jira-service-management-operations-rest-api/)
- [Jira Align REST API](https://apis.io/apis/jira/jira-align-rest-api/)
- [Jira Customer Service Management REST API](https://apis.io/apis/jira/jira-customer-service-management-rest-api/)
- [Jira Issue Comments API](https://apis.io/apis/jira/jira-issue-comments-api/)
- [Jira Issue Priorities API](https://apis.io/apis/jira/jira-issue-priorities-api/)
- [Jira Issue Search API](https://apis.io/apis/jira/jira-issue-search-api/)
- [Jira Issue Statuses API](https://apis.io/apis/jira/jira-issue-statuses-api/)
- [Jira Issue Transitions API](https://apis.io/apis/jira/jira-issue-transitions-api/)
- [Jira Issue Types API](https://apis.io/apis/jira/jira-issue-types-api/)
- [Jira Issues API](https://apis.io/apis/jira/jira-issues-api/)
- [Jira Projects API](https://apis.io/apis/jira/jira-projects-api/)

## Tags

Issue Custom Field Values (Apps)

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