# Liveness ## livenessCheck > This method submits a biometric sample for liveness check. ```json {"openapi":"3.0.1","info":{"title":"GBDS API","version":"4.7.0"},"servers":[{"url":"http://:8085/gbds/v2"}],"paths":{"/liveness":{"post":{"description":"This method submits a biometric sample for liveness check.","tags":["liveness"],"operationId":"livenessCheck","summary":"livenessCheck","requestBody":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/LivenessCheckRequest"}}},"required":true},"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/LivenessCheckResponse"}}}}}}}},"components":{"schemas":{"LivenessCheckRequest":{"type":"object","properties":{"data":{"$ref":"#/components/schemas/LivenessCheckBiometric"}}},"LivenessCheckBiometric":{"type":"object","properties":{"source":{"description":"How the biometric data was obtained. The value must be `ORIGINAL`.","type":"string","enum":["ORIGINAL"]},"type":{"description":"Type of the biometric data. The value must be `FACE`.","type":"string","enum":["FACE"]},"format":{"description":"Format of the biometric data. `REQUIRED`.","type":"string","enum":["JPEG","JPEG2000","PNG","TIFF","GIF","BMP"]},"content":{"description":"Base64 encoded biometric data. `REQUIRED`.","type":"string"}}},"LivenessCheckResponse":{"type":"object","properties":{"tguid":{"description":"Global unique ID of the transaction.","type":"string"},"bonafideScore":{"description":"Bonafide score of the liveness verification. Ranges from 0 to 100 (0=attack, 100=genuine).","type":"integer","format":"int32"}}}}}} ``` ## getLivenessResult > This method returns the liveness check result using the TGUID. ```json {"openapi":"3.0.1","info":{"title":"GBDS API","version":"4.7.0"},"servers":[{"url":"http://:8085/gbds/v2"}],"paths":{"/liveness/{tguid}":{"get":{"description":"This method returns the liveness check result using the TGUID.","tags":["liveness"],"operationId":"getLivenessResult","summary":"getLivenessResult","parameters":[{"name":"tguid","in":"path","required":true,"description":"Global unique ID of the transaction.","schema":{"type":"string"}}],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/GetLivenessResultResponse"}}}}}}}},"components":{"schemas":{"GetLivenessResultResponse":{"type":"object","properties":{"tguid":{"description":"Global unique ID of the transaction.","type":"string"},"biometric":{"description":"Biometric data used for the liveness verification.","$ref":"#/components/schemas/LivenessCheckBiometric"},"bonafideScore":{"description":"Bonafide score of the liveness verification. Ranges from 0 to 100 (0=attack, 100=genuine).","type":"integer","format":"int32"}}},"LivenessCheckBiometric":{"type":"object","properties":{"source":{"description":"How the biometric data was obtained. The value must be `ORIGINAL`.","type":"string","enum":["ORIGINAL"]},"type":{"description":"Type of the biometric data. The value must be `FACE`.","type":"string","enum":["FACE"]},"format":{"description":"Format of the biometric data. `REQUIRED`.","type":"string","enum":["JPEG","JPEG2000","PNG","TIFF","GIF","BMP"]},"content":{"description":"Base64 encoded biometric data. `REQUIRED`.","type":"string"}}}}}} ``` --- # 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.griaule.com/apis/gbds-4/liveness.md?ask= ``` 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.