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POST
/
management
/
clients
/
{clientId}
/
providers
curl -X POST "https://api.cryptomate.me/management/clients/client_a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d/providers" \
  -H "X-API-KEY: $CRYPTOMATE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "provider": "BRIDGE",
    "customer_id": "cust_ext_xyz789"
  }'

{
  "id": "cpc_abc123",
  "client_id": "client_a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d",
  "provider": "BRIDGE",
  "customer_id": "cust_ext_xyz789",
  "status": "active",
  "created_at": "2026-04-15T10:30:00",
  "updated_at": "2026-04-15T10:30:00"
}
Links a client to a specific provider’s customer ID for external service integration. Requires an API key with access level 3 or higher.

​
Path parameters

​
clientId
string
required
Unique identifier of the client.

​
Body

​
provider
string
required
External provider. One of BRIDGE, REAP, UNLIMINT, PAXOS, etc.
​
customer_id
string
required
Customer ID in the external provider’s system.

​
Response

​
id
string
Mapping identifier.
​
client_id
string
Client identifier.
​
provider
string
External provider.
​
customer_id
string
Customer ID in the external provider’s system.
​
status
string
Mapping status.
​
created_at
string
Creation timestamp.
​
updated_at
string
Last update timestamp.
curl -X POST "https://api.cryptomate.me/management/clients/client_a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d/providers" \
  -H "X-API-KEY: $CRYPTOMATE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "provider": "BRIDGE",
    "customer_id": "cust_ext_xyz789"
  }'

{
  "id": "cpc_abc123",
  "client_id": "client_a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d",
  "provider": "BRIDGE",
  "customer_id": "cust_ext_xyz789",
  "status": "active",
  "created_at": "2026-04-15T10:30:00",
  "updated_at": "2026-04-15T10:30:00"
}