TaskHawk Systems Billing API
Payment surface discovery for clients before attempting a paid call.1. `GET /payment/health` - rail challenge and configuration status.2. `GET /payment/quote?endpoint=/path` - per-endpoint price across candidate rails.3. For generic paid agents, fetch a safe-method 402 challenge, then POST with a verified rail credential. Unpaid executable POST remains Delegation-gated.`GET /payment/discovery` aggregates rail status and quotes. `GET /payment/badge` returns a compact status badge payload. Discovery is cached and does not represent settlement, adoption, or revenue evidence.
TaskHawk Systems Billing API is one of 6 APIs that TaskHawk Systems publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Billing. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, pricing, and authentication docs.
This API exposes 7 operations across 4 paths, and defines 2 schemas. It is described by OpenAPI 3.2.0, at version 0.4.1.
Requests are made against a single base URL, https://governance.taskhawktech.com.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
TaskHawk Systems Billing API declares
1 security scheme
for authenticating requests.
An API key is passed in the header as X-API-Key (ApiKeyAuth).
By default, every request must be authenticated.
ApiKeyAuth— Get a trial key via POST /signup. 1,000-call trial allowance.
Paths & Operations 7
Across 4 paths, the API surfaces 7 operations — 4 GET, 3 HEAD. Each is listed below with its method, path, parameters, and response codes.
Payment surface discovery for clients before attempting a paid call.
Schemas 2
The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are ValidationError (5 properties), HTTPValidationError (1 property). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from TaskHawk Systems 5
Other APIs TaskHawk Systems publishes across the network.
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