> For the complete documentation index, see [llms.txt](https://docs.on.nexus/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.on.nexus/hodifi/developers/submit-loan/submit-loan.md).

# Submit Loan

If it is the first time to create, it is empty.

## Obtain Loan Data

> User Lending Data

```json
{"openapi":"3.0.1","info":{"title":"Default Module","version":"1.0.0"},"servers":[{"url":"http://127.0.0.1:8090","description":"Local"}],"security":[],"paths":{"/api/nexus/manage/your_lending":{"post":{"summary":"Obtain Loan Data","deprecated":false,"description":"User Lending Data","tags":[],"parameters":[],"requestBody":{"content":{"application/json":{"schema":{"type":"object","properties":{"btc_address":{"type":"string","title":"BTC Wallet Address"},"eth_address":{"type":"string","title":"ETH Wallet Address"}},"required":["btc_address","eth_address"]}}}},"responses":{"200":{"description":"","content":{"application/json":{"schema":{"type":"object","properties":{"code":{"type":"string"},"data":{"type":"object","properties":{"total_lending":{"type":"integer","title":"Total Lending","description":"Total Borrowing"},"annual_rate":{"type":"string","title":"Annual Percentage Rate"},"total_supply":{"type":"integer","description":"Current Borrowing","title":"Total Supply"},"lending_in_progress":{"type":"integer","description":"Current Collateral","title":"Lending In Progress"},"average_annual_rate":{"type":"string","title":"Average APR"},"cumulative_average_apr":{"type":"string","title":"Cumulative Average APR"}},"required":["total_lending","lending_in_progress","total_supply","average_annual_rate","cumulative_average_apr","annual_rate"]}},"required":["code","data"]}}},"headers":{}}}}}}}
```

If it is the first time creating or if it is empty, the ETH wallet needs to be signed for verification upon login.

## Retrieve Deribit information

> Submit Loan Application

```json
{"openapi":"3.0.1","info":{"title":"Default Module","version":"1.0.0"},"servers":[{"url":"http://127.0.0.1:8090","description":"Local"}],"security":[],"paths":{"/api/nexus/manage/deribit/info":{"post":{"summary":"Retrieve Deribit information","deprecated":false,"description":"Submit Loan Application","tags":[],"parameters":[],"requestBody":{"content":{"application/json":{"schema":{"type":"object","properties":{"signature":{"type":"object","properties":{"message":{"type":"string","title":"Original Message"},"eth_signature":{"type":"string","title":"ETH Signature"}},"required":["message","eth_signature"]}},"required":["signature"]}}}},"responses":{"200":{"description":"","content":{"application/json":{"schema":{"type":"object","properties":{"code":{"type":"integer"},"msg":{"type":"string"},"data":{"type":"object","properties":{"deribit_client_id":{"type":"string"},"deribit_secret":{"type":"string"}},"required":["deribit_client_id","deribit_secret"]},"req_id":{"type":"string"}},"required":["code","msg","data","req_id"]}}},"headers":{}}}}}}}
```

## POST /api/nexus/manage/submit\_loan

> Submit Loan

```json
{"openapi":"3.0.1","info":{"title":"Default Module","version":"1.0.0"},"servers":[{"url":"http://127.0.0.1:8090","description":"Local"}],"security":[],"paths":{"/api/nexus/manage/submit_loan":{"post":{"summary":"Submit Loan","deprecated":false,"description":"","tags":[],"parameters":[],"requestBody":{"content":{"application/json":{"schema":{"type":"object","properties":{"total_loan":{"type":"integer"},"annual_rate":{"type":"number"},"deribit_client_id":{"type":"string"},"deribit_secret":{"type":"string"},"update_deribit_info":{"type":"boolean"},"signature":{"$ref":"#/components/schemas/HodlFi%20Nexus%20Signature%20Only%20Eth"}},"required":["total_loan","annual_rate","deribit_client_id","deribit_secret","update_deribit_info","signature"]}}}},"responses":{"200":{"description":"","content":{"application/json":{"schema":{"type":"object","properties":{"code":{"type":"integer"},"data":{"type":"object","properties":{}},"msg":{"type":"string"},"req_id":{"type":"string"}},"required":["code","data","msg","req_id"]}}},"headers":{}}}}}},"components":{"schemas":{}}}
```


---

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