# Upwork Authentication API

**Canonical:** https://apis.io/apis/upwork/upwork-authentication-api/  
**Provider:** Upwork — https://apis.io/providers/upwork/  
**Base URL:** https://api.upwork.com/graphql  
**Documentation:** https://www.upwork.com/developer/documentation/graphql/api/docs/index.html

Upwork Authentication API is one of 7 APIs that [Upwork](https://apis.io/providers/upwork/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Authentication. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and a getting-started guide.

OAuth 2.0 token management for API access.

## Machine-readable artifacts (6)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/upwork/refs/heads/main/openapi/upwork-authentication-api-openapi.yml
- **Documentation** — https://www.upwork.com/developer/documentation/graphql/api/docs/index.html
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/upwork/refs/heads/main/graphql/upwork-graphql.md
- **Documentation** — https://developers.upwork.com/
- **GettingStarted** — https://developers.upwork.com/#get-started
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/upwork/refs/heads/main/apis.yml

## Other Upwork APIs (6)

- [Upwork Contracts API](https://apis.io/apis/upwork/upwork-contracts-api/)
- [Upwork Jobs API](https://apis.io/apis/upwork/upwork-jobs-api/)
- [Upwork Messages API](https://apis.io/apis/upwork/upwork-messages-api/)
- [Upwork Organizations API](https://apis.io/apis/upwork/upwork-organizations-api/)
- [Upwork Profiles API](https://apis.io/apis/upwork/upwork-profiles-api/)
- [Upwork Reports API](https://apis.io/apis/upwork/upwork-reports-api/)

## Tags

Authentication

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