> For the complete documentation index, see [llms.txt](https://developer.1moneynetwork.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.1moneynetwork.com/integrations/rest-apis/transactions/estimate-fee.md).

# Estimate fee

## GET /v1/transactions/estimate\_fee

>

```json
{"openapi":"3.1.0","info":{"title":"om-api-rest","version":"0.1.0"},"tags":[{"name":"transactions","description":"Transactions API"}],"servers":[{"url":"https://api.testnet.1money.network","description":"Testnet API server"},{"url":"https://api.1money.network","description":"Mainnet API server"},{"url":"http://localhost:18555","description":"Local API server"}],"paths":{"/v1/transactions/estimate_fee":{"get":{"tags":["transactions"],"operationId":"estimate_fee","parameters":[{"name":"from","in":"query","description":"address of the transaction signer","required":true,"schema":{"type":"string"}},{"name":"token","in":"query","description":"token address to lookup balance for","required":false,"schema":{"type":"string"}},{"name":"value","in":"query","description":"value of the transaction","required":true,"schema":{"type":"string"}}],"responses":{"200":{"description":"","content":{"application/json":{"schema":{"$ref":"#/components/schemas/EstimateFee"}}}},"400":{"description":"Client error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/RESTErrorData"}}}},"404":{"description":"Resource not found","content":{"application/json":{"schema":{"$ref":"#/components/schemas/RESTErrorData"}}}},"408":{"description":"Request timeout","content":{"application/json":{"schema":{"$ref":"#/components/schemas/RESTErrorData"}}}},"422":{"description":"Business logic error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/RESTErrorData"}}}},"500":{"description":"Internal server error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/RESTErrorData"}}}}}}}},"components":{"schemas":{"EstimateFee":{"type":"object","required":["fee"],"properties":{"fee":{"type":"string"}}},"RESTErrorData":{"type":"object","required":["error_code","message"],"properties":{"error_code":{"type":"string","description":"Structured error code for programmatic handling"},"message":{"type":"string","description":"Human-readable error message"}}}}}}
```