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Deno.createHttpClient - Deno documentation
function Deno.createHttpClient
createHttpClient(options: CreateHttpClientOptions | (CreateHttpClientOptions & TlsCertifiedKeyPem)): HttpClient

Create a custom HttpClient to use with fetch. This is an extension of the web platform Fetch API which allows Deno to use custom TLS CA certificates and connect via a proxy while using fetch().

The cert and key options can be used to specify a client certificate and key to use when connecting to a server that requires client authentication (mutual TLS or mTLS). The cert and key options must be provided in PEM format.

Examples

▶

Example 1

 
const caCert = await Deno.readTextFile("./ca.pem");
const client = Deno.createHttpClient({ caCerts: [ caCert ] });
const response = await fetch("https://myserver.com", { client });
▶

Example 2

 
const client = Deno.createHttpClient({
  proxy: { url: "http://myproxy.com:8080" }
});
const response = await fetch("https://myserver.com", { client });
▶

Example 3

 
const key = "----BEGIN PRIVATE KEY----...";
const cert = "----BEGIN CERTIFICATE----...";
const client = Deno.createHttpClient({ key, cert });
const response = await fetch("https://myserver.com", { client });

Parameters

Return Type