# Retrieve Submerchant

In the marketplace solution, you can use the following services to query the documents of your members.

## Get Submerchant Detail

> Returns submerchant details by external ID (\*\*subMerchantExternalId\*\*).

```json
{"openapi":"3.0.3","info":{"title":"Marketplace - Submerchant Create & Update - Approve","version":"1.3.3"},"servers":[{"url":"https://api.iyzipay.com","description":"iyzico API"}],"paths":{"/onboarding/submerchant/detail":{"post":{"summary":"Get Submerchant Detail","description":"Returns submerchant details by external ID (**subMerchantExternalId**).","tags":["Marketplace"],"parameters":[{"$ref":"#/components/parameters/AuthHeader"},{"$ref":"#/components/parameters/ContentTypeHeader"}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"$ref":"#/components/schemas/SubmerchantDetailRequest"}}}},"responses":{"200":{"description":"Successful response","content":{"application/json":{"schema":{"$ref":"#/components/schemas/SubmerchantDetailResponse"}}}},"400":{"description":"Error response","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}}}}}},"components":{"parameters":{"AuthHeader":{"name":"Authorization","in":"header","required":true,"schema":{"type":"string"},"description":"Authorization header; a signed hash value that starts with **IYZWSv2** and is generated in Base64 format."},"ContentTypeHeader":{"name":"Content-Type","in":"header","required":true,"schema":{"type":"string"},"description":"Request body content type."}},"schemas":{"SubmerchantDetailRequest":{"type":"object","required":["subMerchantExternalId"],"properties":{"locale":{"type":"string","enum":["tr","en"]},"conversationId":{"type":"string"},"subMerchantExternalId":{"type":"string","description":"ExternalId of the submerchant to query."}}},"SubmerchantDetailResponse":{"type":"object","properties":{"status":{"type":"string","enum":["success","failure"]},"locale":{"type":"string","enum":["tr","en"]},"systemTime":{"type":"integer"},"conversationId":{"type":"string"},"name":{"type":"string"},"email":{"type":"string"},"gsmNumber":{"type":"string"},"address":{"type":"string"},"iban":{"type":"string"},"bankCountry":{"type":"string"},"currency":{"type":"string"},"taxOffice":{"type":"string"},"legalCompanyTitle":{"type":"string"},"subMerchantExternalId":{"type":"string"},"identityNumber":{"type":"string","description":"National ID (TCKN)."},"subMerchantType":{"type":"string"},"subMerchantKey":{"type":"string"}}},"ErrorResponse":{"type":"object","properties":{"status":{"type":"string","enum":["failure"]},"errorCode":{"type":"string"},"errorMessage":{"type":"string"},"locale":{"type":"string","enum":["tr","en"]},"systemTime":{"type":"integer"},"conversationId":{"type":"string"}}}}}}
```

#### Sample Codes

<table data-view="cards"><thead><tr><th></th></tr></thead><tbody><tr><td><a href="https://github.com/iyzico/iyzipay-php/blob/master/samples/retrieve_sub_merchant.php">PHP</a></td></tr><tr><td><a href="https://github.com/iyzico/iyzipay-java/blob/master/src/test/java/com/iyzipay/sample/SubMerchantSample.java#L198">Java</a></td></tr><tr><td><a href="https://github.com/iyzico/iyzipay-dotnet/blob/master/Iyzipay.Samples/SubMerchantSample.cs#L182">.Net</a></td></tr><tr><td><a href="https://github.com/iyzico/iyzipay-node/blob/master/samples/IyzipaySamples.js#L1310">Node.Js</a></td></tr><tr><td><a href="https://github.com/iyzico/iyzipay-python/blob/master/samples/retrieve_sub_merchant.py">Python</a></td></tr><tr><td><a href="https://www.postman.com/iyzico/iyzico/folder/x6mo1gg/1-3-retrieve-submerchant">Postman</a></td></tr></tbody></table>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.iyzico.com/en/products/marketplace/marketplace-implementation/submerchant/alt-uye-sorgulama.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.