> For the complete documentation index, see [llms.txt](https://docs.payments.thalescloud.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.payments.thalescloud.io/merchant-tokenization/ja/bakkuendo/apis/server-api/jwt-authentication.md).

# JWT Authentication

## Create access token

> Generates a JWT access token using client credentials for Web SDK calls.

```json
{"openapi":"3.1.1","info":{"title":"Thales ETP Server API","version":"1.78"},"tags":[{"name":"JWT authentication"}],"servers":[{"url":"https://thales.api.com/tsh-cof"}],"paths":{"/auth/accessToken":{"post":{"description":"Generates a JWT access token using client credentials for Web SDK calls.","operationId":"createAccessToken","parameters":[{"$ref":"#/components/parameters/authorization"},{"$ref":"#/components/parameters/xCorrelationId"}],"responses":{"200":{"description":"Access token successfully generated","content":{"application/json":{"schema":{"type":"object","required":["accessToken"],"properties":{"accessToken":{"type":"string","description":"Access token generated for WEB SDK calls, \n JWT content: \n- exp\n- iss\n- iat\n- aud\n- sub\n- trId\n- scope"}}}}}},"400":{"$ref":"#/components/responses/400"},"401":{"$ref":"#/components/responses/401"},"404":{"$ref":"#/components/responses/404"},"429":{"$ref":"#/components/responses/429"},"500":{"$ref":"#/components/responses/500"},"503":{"$ref":"#/components/responses/503"}},"tags":["JWT authentication"],"summary":"Create access token","requestBody":{"content":{"application/json":{"schema":{"type":"object","required":["merchantId","tokens","scope"],"properties":{"merchantId":{"$ref":"#/components/schemas/merchantId"},"tokens":{"type":"array","description":"The list of tokens to be associated with the JWT, \nonly Mastercard and Visa tokens allowed, \nall the tokens must belong to the same merchant","minItems":1,"maxItems":10,"items":{"$ref":"#/components/schemas/tokenId"},"uniqueItems":true},"scope":{"type":"string","maxLength":32,"description":"Scope used for the access token generation","enum":["PAYMENT_PASSKEY"]}}}}}}}}},"components":{"parameters":{"authorization":{"schema":{"type":"string","maxLength":512,"minLength":1},"in":"header","description":"Technical identifier pre-defined at on-boarding that identifies the API\nconsumer.\nFormat shall be the string 'APIKEY' followed by a space and the\napi key value.\n</br> Example: APIKEY c03f88fe-01ba-11e8-ba89-0ed5f89f718b\n","name":"authorization","required":true},"xCorrelationId":{"schema":{"type":"string","maxLength":36,"minLength":1},"in":"header","description":"Technical identifier used for troubleshooting. \n</br>It helps on customer support when needed. \n</br>Each API request must be identified with a unique correlation Id.\n</br>It correlates the response and the request and eventually a notification if any. ","name":"x-correlation-id","required":true}},"responses":{"400":{"description":"Bad request - Not Retryable"},"401":{"description":"Unauthorized - Not Retryable"},"404":{"description":"Not Found - Not Retryable"},"429":{"description":"Too Many Requests - Retryable"},"500":{"description":"Internal Server Error - Not Retryable"},"503":{"description":"Service Unavailable - Retryable"}},"schemas":{"merchantId":{"type":"string","description":"Identifier of the merchant provided by Thales at on-boarding.","minLength":1,"maxLength":128},"tokenId":{"type":"string","description":"The token identifier.","pattern":"^[a-zA-Z0-9_-]+$","minLength":1,"maxLength":128}}}}
```


---

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