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DELETE
/
v2
/
topics
/
{topicId}
/
members
curl --request DELETE \ --url https://api.zenzap.co/v2/topics/{topicId}/members \ --header 'Authorization: Bearer <token>' \ --header 'Content-Type: application/json' \ --header 'X-Signature: <api-key>' \ --data ' { "memberIds": [ "550e8400-e29b-41d4-a716-446655440003" ] } '
{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "memberIds": [
    "550e8400-e29b-41d4-a716-446655440001",
    "b@660e8400-e29b-41d4-a716-446655440003"
  ],
  "updatedAt": 1699564800000
}

Authorizations

​
Authorization
string
header
required

Use your API key as the Bearer token. You can view your API key and secret in your Zenzap organization API key settings.

​
X-Signature
string
header
required

HMAC-SHA256 signature for request verification.

Headers

​
X-Signature
string
required

HMAC signature of the request.

The signature payload differs by HTTP method:

  • POST/PUT/PATCH/DELETE: HMAC-SHA256 of the request body
  • GET: HMAC-SHA256 of the full request URI (path + query string)

The signature is calculated as:

  1. Determine the payload:
    • For POST/PUT/PATCH/DELETE: Use the request body
    • For GET: Use the full request URI (e.g., /v2/members?limit=10&offset=0)
  2. Calculate HMAC-SHA256 of the payload using your API secret
  3. Hex-encode the output

Example for GET request to /v2/members?limit=10:

payload = "/v2/members?limit=10"
signature = HMAC-SHA256(secret, payload)
X-Signature: hex(signature)

Example for POST request with body {"topicId":"123","text":"Hello"}:

payload = '{"topicId":"123","text":"Hello"}'
signature = HMAC-SHA256(secret, payload)
X-Signature: hex(signature)
Example:

"a3d5f8e7c2b1d4f6a8e9c7b5d3f1a2e4b6c8d0f2e4a6b8c0d2e4f6a8b0c2d4e6"

Path Parameters

​
topicId
string<uuid>
required

The ID of the topic to remove members from

Body

application/json
​
memberIds
string<uuid>[]
required

Array of member IDs to remove from the topic (max 5). Members not in the topic are silently ignored. Duplicates are automatically removed.

Required array length: 1 - 5 elements
Example:
[
  "550e8400-e29b-41d4-a716-446655440003",
  "550e8400-e29b-41d4-a716-446655440004"
]

Response

Members removed successfully

​
id
string<uuid>

The topic ID

Example:

"550e8400-e29b-41d4-a716-446655440000"

​
memberIds
string[]

Updated array of member IDs in the topic

Example:
[
  "550e8400-e29b-41d4-a716-446655440001",
  "550e8400-e29b-41d4-a716-446655440002"
]
​
updatedAt
integer<int64>

Unix timestamp in milliseconds when the topic was updated

Example:

1699564800000