For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.

API Reference Collections

List all collections

GET

/collections

GET

/collections

$ curl  -X GET \
>   'http://localhost:6333/collections' \
>   --header 'api-key: <api-key-value>'

200Retrieved

1 {
2   "usage": {
3     "cpu": 1,
4     "payload_io_read": 1,
5     "payload_io_write": 1,
6     "payload_index_io_read": 1,
7     "payload_index_io_write": 1,
8     "vector_io_read": 1,
9     "vector_io_write": 1
10   },
11   "time": 0.002,
12   "status": "ok",
13   "result": {
14     "collections": [
15       {
16         "name": "string"
17       }
18     ]
19   }
20 }

Returns a list of all existing collections.

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Check collection existence

API Reference

Authentication

api-keystring

API Key authentication via header

Response

successful operation

usageobject or any

timedouble

Time spent to process this request

statusstring

resultobject