API reference

Base host: https://config.wye.dev. Requests are unauthenticated and scoped by deployment ID.

GET /v1/config/{deployment_id}

Returns deployment-scoped configuration. The path segment identifies the deployment. The response body shape is stable; cache using ETag and Cache-Control.

{
  "config_version": "2026-09-23.1",
  "kill_switch": false,
  "features": {
    "edge_cache": true,
    "progressive_delivery": false
  }
}

POST /v1/features

Submit lightweight runtime context after feature configuration is evaluated. Content type may be text/plain with a JSON body. The response is an empty 204 with no body.

Field	Required	Description
deployment_id	yes	Opaque deployment selector (dep_…).
sdk_version	yes	Client library or fixture version string.
event_id	yes	Unique event identifier (UUID recommended).
host	yes	Client-reported page host.
origin	yes	Client-reported page origin.
path	no	Client-reported path.
referrer	no	Client-reported referrer.

{
  "deployment_id": "dep_a1b2c3d4e5f67890aabbccddeeff0011",
  "sdk_version": "0.1.0",
  "event_id": "11111111-1111-1111-1111-111111111111",
  "host": "example.com",
  "origin": "https://example.com",
  "path": "/",
  "referrer": ""
}

Host, origin, path, and referrer are client-reported context. Do not send credentials, form bodies, or page content.