REST API Validate CSR

Validate certificate signing request (CSR)HTTPS POST

You might want to validate a certificate signing request (CSR) e.g. before using it in a certificate creation request.

API Request URL:

api.zerossl.com/validation/csr

HTTPS GET Request Parameters:

Parameter	Description
`access_key`	`access_key`[Required] Use this parameter to specify your API access key.

HTTPS POST Request Parameters:

Parameter	Description
`csr`	`csr`[Required] The CSR you want to validate.

API Response:

If your CSR is valid, you will receive the following JSON:

{
    "valid": true,
    "error": null,
    "csrResponse": [
        "2048",
        "sigalg=sha256WithRSAEncryption"
    ]
}

Response Objects:

Parameter	Description
`valid`	`valid`Returns `true` to indicate your CSR is valid, false otherwise.
`error`	`error`Returns `null` in case the CSR was successfully validated, error code and description otherwise.
`csrResponse`	`csrResponse`Returns an array containing the key size and signature algorithm in case the CSR was successfully validated, `null` otherwise.

Error codes