> For the complete documentation index, see [llms.txt](https://docs.afx.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.afx.xyz/api-reference/exchange/referral.md).

# Referral

## Bind Referral

> Bind a referral code to the account.\
> \
> \*\*Signature:\*\* Agent · \*\*Protobuf:\*\* \`MsgBindReferral\`\
> \
> \`\`\`protobuf\
> // package: dex.offchain.referral.v1\
> message MsgBindReferral {\
>   string referral\_code = 1;\
> }\
> \`\`\`<br>

````json
{"openapi":"3.0.3","info":{"title":"AFX DEX Exchange API","version":"1.0.0"},"servers":[{"url":"https://api.afx.xyz","description":"Mainnet"},{"url":"https://api-testnet.afx.xyz","description":"Testnet"}],"paths":{"/exchange/bindReferral":{"post":{"operationId":"bindReferral","summary":"Bind Referral","tags":["Referral"],"description":"Bind a referral code to the account.\n\n**Signature:** Agent · **Protobuf:** `MsgBindReferral`\n\n```protobuf\n// package: dex.offchain.referral.v1\nmessage MsgBindReferral {\n  string referral_code = 1;\n}\n```\n","requestBody":{"required":true,"content":{"application/json":{"schema":{"$ref":"#/components/schemas/BindReferralRequest"}}}},"responses":{"200":{"$ref":"#/components/responses/ExchangeOk"}}}}},"components":{"schemas":{"BindReferralRequest":{"type":"object","required":["action","signature","nonce"],"properties":{"action":{"type":"object","required":["type","referralCode"],"properties":{"type":{"type":"string","enum":["bindReferral"]},"referralCode":{"type":"string"}}},"signature":{"$ref":"#/components/schemas/Signature"},"nonce":{"type":"integer","format":"int64","description":"Request nonce as a Unix timestamp in milliseconds. Recommended: current time in milliseconds. Must be unique; do not reuse the same nonce for another signed request."}}},"Signature":{"type":"object","required":["r","s","v"],"properties":{"r":{"type":"string","description":"32-byte hex, zero-padded to 64 chars"},"s":{"type":"string","description":"32-byte hex, zero-padded to 64 chars"},"v":{"type":"integer","description":"27 or 28"}}},"ExchangeResponse":{"type":"object","properties":{"code":{"type":"integer","description":"`0` = success. See Error Codes section for non-zero values."},"message":{"type":"string"},"data":{"type":"object","nullable":true,"properties":{"txHash":{"type":"string"},"txCode":{"type":"integer"},"txMsg":{"type":"string"}}}}}},"responses":{"ExchangeOk":{"description":"Transaction submitted","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ExchangeResponse"}}}}}}}
````


---

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