Justworks OAuth API
OAuth 2.0 token endpoints for the Justworks Partner API. Authorization code is the only supportedgrant for initial token acquisition; refresh token grant is supported for renewal. Access tokens arevalid for 24 hours; refresh tokens are valid for 30 days. A revoke endpoint is provided for bothaccess and refresh tokens.
Justworks OAuth API is one of 11 APIs that Justworks publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include OAuth and Authentication. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.
This API exposes 2 operations across 2 paths. It is described by OpenAPI 3.1.0, at version 2026-05-25.
Requests are made against a single base URL, https://public-api.justworks.com.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
Justworks OAuth API declares
1 security scheme
for authenticating requests.
It supports OAuth 2.0 (OAuth2) using the authorizationCode flow, exposing 3 scopes.
By default, every request must be authenticated.
Paths & Operations 2
Across 2 paths, the API surfaces 2 operations — 2 POST. Each is listed below with its method, path, parameters, and response codes.
OAuth 2.0 token endpoints
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Justworks 10
Other APIs Justworks publishes across the network.