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Each page below documents a single signal operation — request, parameters, response shape, and errors. You register a signal, then manage its metadata, visibility, and pricing through access records. For the conceptual model — fields, lifecycle, sources, and pricing — see the Signal overview.

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Manage

Create signal

POST /signals — register a signal

List signals

GET /signals — filterable, paginated

Get signal

GET /signals/:id — one signal with access records

Update signal

PUT /signals/:id — metadata and access changes

Delete signal

DELETE /signals/:id — archive a signal

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Discover

Discover signals

POST /signals/discover — query signals agents via AdCP

Manage ESA signals

GET/POST /esa/:id/signals — manage adapter-backed ESA signals