Acknowledge observed conversation messages

POST/v1/channels/{channelId}/read

Requires threads:read and an active organization membership. Sequence cannot exceed the latest conversation message. Read positions never decrease.

How to call this endpoint

Every ACP API request uses bearer authentication. The examples here show the actual request path, auth header, and body shape that the platform expects.

Path, query, and header parameters

These parameters control which ACP object the endpoint acts on and how the request is processed.

Path parameters
NameLocationTypeRequiredDescription
channelIdpathstringYes—
Query parameters
None.

Body schema

Content type: application/json · Required

FieldTypeRequiredDescription
sequenceintegerYes—

What the API returns

Each response code below includes the documented payload shape for the ACP API.

200Channel operation resultapplication/json
FieldTypeRequiredDescription
readSequenceintegerYes—
400Invalid input (400), unauthenticated (401), denied (403), unavailable resource (404), stale revision/idempotency conflict/archived channel (409), unavailable PostgreSQL backend (503), or failed operation (500).application/json
FieldTypeRequiredDescription
errorstringYes—
codestringNo—
messagestringYesMessage text.
401Invalid input (400), unauthenticated (401), denied (403), unavailable resource (404), stale revision/idempotency conflict/archived channel (409), unavailable PostgreSQL backend (503), or failed operation (500).application/json
FieldTypeRequiredDescription
errorstringYes—
codestringNo—
messagestringYesMessage text.
403Invalid input (400), unauthenticated (401), denied (403), unavailable resource (404), stale revision/idempotency conflict/archived channel (409), unavailable PostgreSQL backend (503), or failed operation (500).application/json
FieldTypeRequiredDescription
errorstringYes—
codestringNo—
messagestringYesMessage text.
404Invalid input (400), unauthenticated (401), denied (403), unavailable resource (404), stale revision/idempotency conflict/archived channel (409), unavailable PostgreSQL backend (503), or failed operation (500).application/json
FieldTypeRequiredDescription
errorstringYes—
codestringNo—
messagestringYesMessage text.
409Invalid input (400), unauthenticated (401), denied (403), unavailable resource (404), stale revision/idempotency conflict/archived channel (409), unavailable PostgreSQL backend (503), or failed operation (500).application/json
FieldTypeRequiredDescription
errorstringYes—
codestringNo—
messagestringYesMessage text.
500Invalid input (400), unauthenticated (401), denied (403), unavailable resource (404), stale revision/idempotency conflict/archived channel (409), unavailable PostgreSQL backend (503), or failed operation (500).application/json
FieldTypeRequiredDescription
errorstringYes—
codestringNo—
messagestringYesMessage text.
503Invalid input (400), unauthenticated (401), denied (403), unavailable resource (404), stale revision/idempotency conflict/archived channel (409), unavailable PostgreSQL backend (503), or failed operation (500).application/json
FieldTypeRequiredDescription
errorstringYes—
codestringNo—
messagestringYesMessage text.
Acknowledge observed conversation messages
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Response 200
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