Capabilities API reference

The Capabilities API has three endpoints: list the capabilities your key can call, get their OpenAPI schemas, and call one. All endpoints are under https://api.ansehn.com/v1 and need an API key in the Authorization: Bearer header. An OAuth access token from a connected app works the same way.

Method	Path	Purpose
`GET`	`/v1/capabilities`	List the capabilities this key can call
`GET`	`/v1/openapi.json`	OpenAPI 3.1 document for those capabilities
`POST`	`/v1/capabilities/{name}`	Call one capability

List capabilities

GET /v1/capabilities returns the capabilities your key can call, filtered by its scopes.

curl https://api.ansehn.com/v1/capabilities \
  -H "Authorization: Bearer $ANSEHN_API_KEY"

{
  "data": [
    {
      "name": "getServerLogStats",
      "description": "Summarize what we've learned from server-log uploads for this project...",
      "risk": "read",
      "requiresIdempotencyKey": false
    }
  ]
}

Field	Type	Description
`name`	string	The capability name, used in the call path
`description`	string	What the capability does
`risk`	string	`read` for reads, `mutate` for `updateContentActionStatus`
`requiresIdempotencyKey`	boolean	`true` when the call needs an `Idempotency-Key` header

Get the OpenAPI document

GET /v1/openapi.json returns an OpenAPI 3.1 document with the input and output schemas of exactly the capabilities your key can call. Use it to generate a client, or give it to an agent that works with OpenAPI.

curl https://api.ansehn.com/v1/openapi.json \
  -H "Authorization: Bearer $ANSEHN_API_KEY"

Call a capability

POST /v1/capabilities/{name} runs one capability for the key's project.

curl -X POST https://api.ansehn.com/v1/capabilities/getRankings \
  -H "Authorization: Bearer $ANSEHN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "input": { "range": { "from": "2026-09-01", "to": "2026-09-30" } } }'

Request body

input holds the capability's input. Its schema is in openapi.json.
An empty body, or a body without input, means an empty input. Use it for capabilities that take no input.
Unknown fields are rejected with 422 at the top level of the body and at the top level of input. Unknown fields inside nested objects, such as range, are ignored.
A project ID is never accepted. The project always comes from the key.

Response

A successful call returns 200 and the result in data:

{
  "data": {
    "componentHint": "table",
    "title": "...",
    "columns": [ ... ],
    "rows": [ ... ]
  }
}

Results are structured, and componentHint gives the shape:

`componentHint`	Shape
`table`	`columns` and `rows`
`kpi`	One value with a label and an optional change
`lineChart`, `barChart`, `groupedBarChart`	Series for a chart
`entityList`	A list of matching items, for example from a name search
`overview`	The project overview
`composite`	Several of the shapes above in `parts`
`empty`	No data, with a `message` explaining why

Each capability's possible shapes are listed in openapi.json.

Untrusted text

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Change a content action's status

updateContentActionStatus is the only capability that changes data. It needs the Content Actions Write scope, a key creator who can edit the project, and an Idempotency-Key header.

curl -X POST https://api.ansehn.com/v1/capabilities/updateContentActionStatus \
  -H "Authorization: Bearer $ANSEHN_API_KEY" \
  -H "Idempotency-Key: 5f0c2a1e-7b3d-4c1a-9e2f-8d6b4a0c1e93" \
  -H "Content-Type: application/json" \
  -d '{ "input": { "actionId": "9f1b6a52-3c4d-4e5f-8a7b-0c1d2e3f4a5b", "status": "done" } }'

status: open, in_progress, in_review, done or archived.
Result: { "data": { "actionId": "...", "status": "done", "updatedAt": "..." } }.
Content action IDs are in the id field of each row returned by listContentActions.

How the Idempotency-Key header works is described in Errors, rate limits and idempotency.

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