Context API

Method: POST (HTTPS only). Recommended to speed up onboarding.

Request

json

{
  "provider_slug": "myexchange",
  "user_id": "ext-user-12345"
}

Response (200 OK)

json

{
  "ok": true,
  "provider_slug": "myexchange",
  "user_id": "ext-user-12345",
  "sumsub_applicant_id": "optional-abc123",
  "email": "optional@example.com",
  "wallet": {
    "address": "0xabc... or bc1...",
    "chain": "ETH|BTC|BNB|TRX|..."
  }
}

Error format matches Redeem API (400/401/409/429/5xx with { "ok": false, "error": "..." }).

Redeem API

Webhook