> For the complete documentation index, see [llms.txt](https://docs.ur.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ur.app/api-reference/api/account/delegated-contract-mode/create-off-ramp-request.md).

# Create off-ramp request

Delegated Contract Mode will be deprecated soon; new partners should use Managed Custody Mode. Executes a crypto-to-fiat deposit. Always call /v1/deposit/quote first and pass the returned quoteId; UR validates urId, tokens, and amount against the original quote and rejects mismatches. requestId must be globally unique and reused on retries.

```json
{"openapi":"3.1.0","info":{"title":"UR API","version":"1.0.0"},"tags":[{"name":"Delegated Contract Mode","description":"Legacy partner APIs built on the Delegator Contract. Not recommended for new integrations."}],"servers":[{"url":"https://openapi.ur.app","description":"Production (partner API)"},{"url":"https://uropenapi-qa.ur-inc.xyz","description":"Testnet (partner API)"}],"security":[{"partnerAuth":[]},{"userWalletAuth":[]}],"components":{"securitySchemes":{"partnerAuth":{"type":"apiKey","in":"header","name":"X-Api-Signature","description":"Partner Auth: EIP-191 signature by the partner's registered backend key, with X-Api-Deadline and optional X-Api-PublicKey headers. See the Signature and verify guide."},"userWalletAuth":{"type":"apiKey","in":"header","name":"sign","description":"User wallet auth (External Wallet Access Mode): EIP-191 signature by the user's wallet key, with tokenId, network, hash, and deadline headers. See the Signature and verify guide."}},"schemas":{"DcEnvelope":{"type":"object","properties":{"code":{"type":"integer","description":"0 on success; non-zero indicates a business rejection.","format":"int64"},"message":{"type":"string","description":"Human-readable diagnostic; empty on success."},"data":{"description":"Business payload. Shape depends on the endpoint."}},"required":["code","message"],"description":"Standard response envelope for the partner API (openapi.ur.app)."}}},"paths":{"/v1/deposit":{"post":{"tags":["Delegated Contract Mode"],"operationId":"dcCreateOfframp","summary":"Create off-ramp request","description":"Delegated Contract Mode will be deprecated soon; new partners should use Managed Custody Mode. Executes a crypto-to-fiat deposit. Always call /v1/deposit/quote first and pass the returned quoteId; UR validates urId, tokens, and amount against the original quote and rejects mismatches. requestId must be globally unique and reused on retries.","parameters":[{"name":"X-Api-Signature","in":"header","required":true,"schema":{"type":"string"},"description":"Partner's EIP-191 signature (0x-prefixed hex)."},{"name":"X-Api-Deadline","in":"header","required":true,"schema":{"type":"string"},"description":"Unix seconds when the request signature expires (within 5 minutes)."},{"name":"X-Api-PublicKey","in":"header","required":false,"schema":{"type":"string"},"description":"Partner's signer Ethereum address."}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"urId":{"type":"integer","description":"UR user ID.","format":"int64"},"inputToken":{"type":"string","description":"Input token symbol (USDC only)."},"outputToken":{"type":"string","description":"Output fiat token symbol."},"amount":{"type":"string","description":"Deposit amount in smallest units. Minimum 5 USDC."},"requestId":{"type":"string","description":"Idempotency key; reuse on retry."},"quoteId":{"type":"string","description":"Quote ID from /v1/deposit/quote. Strongly recommended: locks in the quoted fees and UR validates the request against the quote. When omitted, the deposit is processed without fee deduction (backward-compatible behavior)."},"chainId":{"type":"string","description":"Source chain ID (CAIP-2). Defaults to Mantle when omitted."},"userAddress":{"type":"string","description":"User's wallet address; required for cross-chain deposits."}},"required":["urId","inputToken","outputToken","amount","requestId","quoteId"]}}}},"responses":{"200":{"description":"Response envelope. For the user API, retCode 0 means success; for the partner API, code 0 means success. Business rejections return HTTP 200 with a non-zero code.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/DcEnvelope"}}}}}}}}}
```


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