SSL & Certificates

Each implementation uses a different format for SSL/TLS client certificate configuration.

VS Code REST Client

Configured in settings.json under rest-client.certificates, keyed by hostname:

{
  "rest-client.certificates": {
    "api.example.com": {
      "cert": "/path/to/client.crt",
      "key": "/path/to/client.key"
    },
    "secure.example.com:8443": {
      "pfx": "/path/to/client.p12",
      "passphrase": "password123"
    }
  }
}

Supported properties: cert, key (PEM format), pfx (PKCS#12), passphrase.

JetBrains

Configured within http-client.private.env.json via the SSLConfiguration key:

{
  "development": {
    "SSLConfiguration": {
      "clientCertificate": "cert.pem",
      "clientCertificateKey": "key.pem",
      "hasCertificatePassphrase": true,
      "verifyHostCertificate": false
    }
  }
}

Supports format specification (PEM, DER, P12) and disabling host certificate verification.

httpyac

Configured in httpyac.config.js:

module.exports = {
  clientCertificates: {
    "example.com": { cert: "./client.crt", key: "./client.key" },
    "client.badssl.com": { pfx: "./client.p12", passphrase: "badssl.com" }
  }
}

httpyac also supports a per-request header: ClientCert: pfx: ./client.p12 passphrase: badssl.com. The metadata tag # @no-client-cert skips certificate for a specific request.