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POST
/
:projectId
/
api
/
v7
/
collections
/
:collectionId
/
entities
Add Entity to Collection
curl --request POST \
  --url https://api.replyke.com/api/v6/:projectId/api/v7/collections/:collectionId/entities \
  --header 'Content-Type: application/json' \
  --data '
{
  "entityId": "<string>"
}
'
{
  "success": true,
  "collection": {
    "id": "<string>",
    "entityCount": 123
  }
}
Saves an entity into the specified collection. This operation is idempotent — if the entity is already in the collection, it returns success without creating a duplicate.

​
Path Parameters

​
collectionId
string
required
The ID of the collection to save the entity into.

​
Body Parameters

​
entityId
string
required
The ID of the entity to save.

​
Response

​
success
boolean
Always true on success.
​
collection
object
Updated collection metadata.

​
Error Responses

{ "error": "Collection not found", "code": "collection/not-found" }

{ "error": "Entity not found", "code": "entity/not-found" }

{ "error": "Internal server error.", "code": "collection/server-error" }