Hookdeck Transformations API
Manage transformations — sandboxed JavaScript executed against events to mutate headers, body, path, or query string before delivery. Also includes a sandboxed run endpoint for testing transformation code against sample event payloads.
Hookdeck Transformations API is one of 17 APIs that Hookdeck publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 1 JSON Schema definition.
Tagged areas include Transformation, Webhook, and Event Gateways. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, and 1 JSON Schema.
This API exposes 10 operations across 6 paths, and defines 12 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.
Requests are made against a single base URL, https://api.hookdeck.com/2025-07-01.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 2
Hookdeck Transformations API declares
2 security schemes
for authenticating requests.
It accepts HTTP bearer tokens (bearerAuth).
It accepts HTTP basic authentication (basicAuth).
By default, every request must be authenticated.
Paths & Operations 10
Across 6 paths, the API surfaces 10 operations — 1 DELETE, 5 GET, 1 POST, 3 PUT. Each is listed below with its method, path, parameters, and response codes.
A transformation represents JavaScript code that will be executed on a connection's requests. Transformations are applied to connections using Rules.
Schemas 12
The contract defines 12 schemas that model the data the API accepts and returns. The most detailed are TransformationExecution (13 properties), Transformation (9 properties), TransformationExecutorOutput (6 properties), Operators (6 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 Hookdeck 12
Other APIs Hookdeck publishes across the network.
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