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Ideal for game previews and marketing pages. |\n\n---\n\n### Authentication\n\nAll requests (except Callback APIs) require a **Bearer token** in the `Authorization` header:\n\n```\nAuthorization: Bearer {{apiToken}}\n```\n\n### Collection Variables\n\n| Variable | Description |\n|---|---|\n| `baseUrl` | Transfer Wallet & Demo Play API base URL |\n| `seamlessBaseUrl` | Seamless Wallet API base URL |\n| `callbackUrl` | Your platform's callback endpoint base URL |\n| `apiToken` | Your API Bearer token |\n| `agent` | Your agent / partner identifier |\n| `secretKey` | Your HMAC signing secret (Seamless Wallet callbacks only) |\n\n---\n\n### Response Envelope\n\nEvery response uses a consistent envelope structure.\n\n**Success**\n```json\n{\n  \"success\": true,\n  \"data\": { ... }\n}\n```\n\n**Error**\n```json\n{\n  \"success\": false,\n  \"error\": {\n    \"code\": 1001,\n    \"message\": \"Human-readable description.\"\n  }\n}\n```\n\n---\n\n### Error Codes — Our API\n\n| Code | Category | Meaning |\n|---|---|---|\n| `1001` | Auth | Bearer token is missing or invalid |\n| `1002` | Auth | Agent account has been suspended |\n| `1003` | Auth | IP address is not authorized |\n| `2001` | Player | Player account does not exist |\n| `2002` | Player | Player ID is already in use |\n| `2003` | Player | Player ID format is invalid |\n| `2004` | Player | Player has insufficient balance |\n| `3001` | Game | Game does not exist or is unavailable |\n| `4001` | Agent | Agent has insufficient balance |\n| `5001` | Request | Too many requests — back off and retry |\n| `9001` | Server | Unexpected internal server error |\n\n### Error Codes — Callback API (Operator Response)\n\nThese codes are returned by **your platform** in response to our callback requests.\n\n| Code | Constant | Meaning |\n|---|---|---|\n| `0` | Success | Processed successfully |\n| `1` | InvalidSign | HMAC signature verification failed |\n| `2` | InvalidParams | Missing or invalid parameters |\n| `3` | UserNotFound | Player account does not exist |\n| `4` | AgentNotFound | Agent not found |\n| `5` | GameNotFound | Game not found |\n| `6` | InsufficientBalance | Player has insufficient balance (debit only) |\n| `7` | DuplicateDebit | Transaction already processed — do not deduct again |\n| `8` | DuplicateCredit | Credit already applied — treated as success by our server |\n| `9` | TransactionNotFound | Referenced transaction not found — treated as success for rollback |\n| `10` | AlreadyRolledBack | Already reversed — treated as success for rollback |\n| `99` | GeneralError | Unexpected error on your platform |","schema":"https://schema.getpostman.com/json/collection/v2.0.0/collection.json","isPublicCollection":true,"owner":"27538434","team":5145302,"collectionId":"c8413938-8613-4bdb-b185-44370b3e4168","publishedId":"2sBXcLgdGQ","public":true,"publicUrl":"https://developers.lightninglinkgaming.com","privateUrl":"https://go.postman.co/documentation/27538434-c8413938-8613-4bdb-b185-44370b3e4168","customColor":{"top-bar":"FFFFFF","right-sidebar":"303030","highlight":"FF6C37"},"documentationLayout":"classic-double-column","customisation":{"metaTags":[{"name":"description","value":"Integrate Lightning Link casino slot games with our powerful API. 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