Justworks Webhooks API
Manage Justworks Partner API webhooks. Justworks signs every request, delivers events at-least-oncewith automatic retries, and closes a webhook on sustained failures (resumable via API). Event typescover member.profile.*, member.employment_state.termination_*, and department.* lifecycle changes.A Tour-environment simulate endpoint allows partners to validate their listener without real data.
Justworks Webhooks API is one of 11 APIs that Justworks publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 1 JSON Schema definition.
Tagged areas include Webhook, Event, and HR. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, and 1 JSON Schema.
This API exposes 3 operations across 3 paths, and defines 1 schema. It is described by OpenAPI 3.2.0, 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 Webhooks 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 3
Across 3 paths, the API surfaces 3 operations — 3 POST. Each is listed below with its method, path, parameters, and response codes.
List, resume, and simulate Justworks webhooks
Schemas 1
The contract defines 1 schema that model the data the API accepts and returns. The most detailed is Webhook (4 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Justworks 10
Other APIs Justworks publishes across the network.
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