curl --request POST \
  --url https://api.example.com/credentials/verify \
  --header 'Content-Type: application/json' \
  --data '
{
  "verifiableCredential": {
    "@context": [
      "https://www.w3.org/2018/credentials/v1",
      "https://www.w3.org/2018/credentials/examples/v1"
    ],
    "id": "http://example.gov/credentials/3732",
    "type": [
      "VerifiableCredential",
      "UniversityDegreeCredential"
    ],
    "issuer": "did:example:123",
    "issuanceDate": "2020-03-16T22:37:26.544Z",
    "expirationDate": "2021-03-16T22:37:26.544Z",
    "credentialSubject": {
      "id": "did:example:123",
      "degree": {
        "type": "BachelorDegree",
        "name": "Bachelor of Science and Arts"
      }
    },
    "proof": {
      "type": "<string>",
      "created": "<string>",
      "verificationMethod": "<string>",
      "proofPurpose": "<string>",
      "jws": "<string>"
    }
  },
  "options": {
    "verificationMethod": "did:example:123#z6MksHh7qHWvybLg5QTPPdG2DgEjjduBDArV9EF9mRiRzMBN",
    "proofPurpose": "assertionMethod",
    "created": "2020-04-02T18:48:36Z",
    "challenge": "d436f0c8-fbd9-4e48-bbb2-55fc5d0920a8",
    "domain": "example.com"
  }
}
'

import requests

url = "https://api.example.com/credentials/verify"

payload = {
    "verifiableCredential": {
        "@context": ["https://www.w3.org/2018/credentials/v1", "https://www.w3.org/2018/credentials/examples/v1"],
        "id": "http://example.gov/credentials/3732",
        "type": ["VerifiableCredential", "UniversityDegreeCredential"],
        "issuer": "did:example:123",
        "issuanceDate": "2020-03-16T22:37:26.544Z",
        "expirationDate": "2021-03-16T22:37:26.544Z",
        "credentialSubject": {
            "id": "did:example:123",
            "degree": {
                "type": "BachelorDegree",
                "name": "Bachelor of Science and Arts"
            }
        },
        "proof": {
            "type": "<string>",
            "created": "<string>",
            "verificationMethod": "<string>",
            "proofPurpose": "<string>",
            "jws": "<string>"
        }
    },
    "options": {
        "verificationMethod": "did:example:123#z6MksHh7qHWvybLg5QTPPdG2DgEjjduBDArV9EF9mRiRzMBN",
        "proofPurpose": "assertionMethod",
        "created": "2020-04-02T18:48:36Z",
        "challenge": "d436f0c8-fbd9-4e48-bbb2-55fc5d0920a8",
        "domain": "example.com"
    }
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    verifiableCredential: {
      '@context': [
        'https://www.w3.org/2018/credentials/v1',
        'https://www.w3.org/2018/credentials/examples/v1'
      ],
      id: 'http://example.gov/credentials/3732',
      type: ['VerifiableCredential', 'UniversityDegreeCredential'],
      issuer: 'did:example:123',
      issuanceDate: '2020-03-16T22:37:26.544Z',
      expirationDate: '2021-03-16T22:37:26.544Z',
      credentialSubject: {
        id: 'did:example:123',
        degree: {type: 'BachelorDegree', name: 'Bachelor of Science and Arts'}
      },
      proof: {
        type: '<string>',
        created: '<string>',
        verificationMethod: '<string>',
        proofPurpose: '<string>',
        jws: '<string>'
      }
    },
    options: {
      verificationMethod: 'did:example:123#z6MksHh7qHWvybLg5QTPPdG2DgEjjduBDArV9EF9mRiRzMBN',
      proofPurpose: 'assertionMethod',
      created: '2020-04-02T18:48:36Z',
      challenge: 'd436f0c8-fbd9-4e48-bbb2-55fc5d0920a8',
      domain: 'example.com'
    }
  })
};

fetch('https://api.example.com/credentials/verify', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.example.com/credentials/verify",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'verifiableCredential' => [
        '@context' => [
                'https://www.w3.org/2018/credentials/v1',
                'https://www.w3.org/2018/credentials/examples/v1'
        ],
        'id' => 'http://example.gov/credentials/3732',
        'type' => [
                'VerifiableCredential',
                'UniversityDegreeCredential'
        ],
        'issuer' => 'did:example:123',
        'issuanceDate' => '2020-03-16T22:37:26.544Z',
        'expirationDate' => '2021-03-16T22:37:26.544Z',
        'credentialSubject' => [
                'id' => 'did:example:123',
                'degree' => [
                                'type' => 'BachelorDegree',
                                'name' => 'Bachelor of Science and Arts'
                ]
        ],
        'proof' => [
                'type' => '<string>',
                'created' => '<string>',
                'verificationMethod' => '<string>',
                'proofPurpose' => '<string>',
                'jws' => '<string>'
        ]
    ],
    'options' => [
        'verificationMethod' => 'did:example:123#z6MksHh7qHWvybLg5QTPPdG2DgEjjduBDArV9EF9mRiRzMBN',
        'proofPurpose' => 'assertionMethod',
        'created' => '2020-04-02T18:48:36Z',
        'challenge' => 'd436f0c8-fbd9-4e48-bbb2-55fc5d0920a8',
        'domain' => 'example.com'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.example.com/credentials/verify"

	payload := strings.NewReader("{\n  \"verifiableCredential\": {\n    \"@context\": [\n      \"https://www.w3.org/2018/credentials/v1\",\n      \"https://www.w3.org/2018/credentials/examples/v1\"\n    ],\n    \"id\": \"http://example.gov/credentials/3732\",\n    \"type\": [\n      \"VerifiableCredential\",\n      \"UniversityDegreeCredential\"\n    ],\n    \"issuer\": \"did:example:123\",\n    \"issuanceDate\": \"2020-03-16T22:37:26.544Z\",\n    \"expirationDate\": \"2021-03-16T22:37:26.544Z\",\n    \"credentialSubject\": {\n      \"id\": \"did:example:123\",\n      \"degree\": {\n        \"type\": \"BachelorDegree\",\n        \"name\": \"Bachelor of Science and Arts\"\n      }\n    },\n    \"proof\": {\n      \"type\": \"<string>\",\n      \"created\": \"<string>\",\n      \"verificationMethod\": \"<string>\",\n      \"proofPurpose\": \"<string>\",\n      \"jws\": \"<string>\"\n    }\n  },\n  \"options\": {\n    \"verificationMethod\": \"did:example:123#z6MksHh7qHWvybLg5QTPPdG2DgEjjduBDArV9EF9mRiRzMBN\",\n    \"proofPurpose\": \"assertionMethod\",\n    \"created\": \"2020-04-02T18:48:36Z\",\n    \"challenge\": \"d436f0c8-fbd9-4e48-bbb2-55fc5d0920a8\",\n    \"domain\": \"example.com\"\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.example.com/credentials/verify")
  .header("Content-Type", "application/json")
  .body("{\n  \"verifiableCredential\": {\n    \"@context\": [\n      \"https://www.w3.org/2018/credentials/v1\",\n      \"https://www.w3.org/2018/credentials/examples/v1\"\n    ],\n    \"id\": \"http://example.gov/credentials/3732\",\n    \"type\": [\n      \"VerifiableCredential\",\n      \"UniversityDegreeCredential\"\n    ],\n    \"issuer\": \"did:example:123\",\n    \"issuanceDate\": \"2020-03-16T22:37:26.544Z\",\n    \"expirationDate\": \"2021-03-16T22:37:26.544Z\",\n    \"credentialSubject\": {\n      \"id\": \"did:example:123\",\n      \"degree\": {\n        \"type\": \"BachelorDegree\",\n        \"name\": \"Bachelor of Science and Arts\"\n      }\n    },\n    \"proof\": {\n      \"type\": \"<string>\",\n      \"created\": \"<string>\",\n      \"verificationMethod\": \"<string>\",\n      \"proofPurpose\": \"<string>\",\n      \"jws\": \"<string>\"\n    }\n  },\n  \"options\": {\n    \"verificationMethod\": \"did:example:123#z6MksHh7qHWvybLg5QTPPdG2DgEjjduBDArV9EF9mRiRzMBN\",\n    \"proofPurpose\": \"assertionMethod\",\n    \"created\": \"2020-04-02T18:48:36Z\",\n    \"challenge\": \"d436f0c8-fbd9-4e48-bbb2-55fc5d0920a8\",\n    \"domain\": \"example.com\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/credentials/verify")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"verifiableCredential\": {\n    \"@context\": [\n      \"https://www.w3.org/2018/credentials/v1\",\n      \"https://www.w3.org/2018/credentials/examples/v1\"\n    ],\n    \"id\": \"http://example.gov/credentials/3732\",\n    \"type\": [\n      \"VerifiableCredential\",\n      \"UniversityDegreeCredential\"\n    ],\n    \"issuer\": \"did:example:123\",\n    \"issuanceDate\": \"2020-03-16T22:37:26.544Z\",\n    \"expirationDate\": \"2021-03-16T22:37:26.544Z\",\n    \"credentialSubject\": {\n      \"id\": \"did:example:123\",\n      \"degree\": {\n        \"type\": \"BachelorDegree\",\n        \"name\": \"Bachelor of Science and Arts\"\n      }\n    },\n    \"proof\": {\n      \"type\": \"<string>\",\n      \"created\": \"<string>\",\n      \"verificationMethod\": \"<string>\",\n      \"proofPurpose\": \"<string>\",\n      \"jws\": \"<string>\"\n    }\n  },\n  \"options\": {\n    \"verificationMethod\": \"did:example:123#z6MksHh7qHWvybLg5QTPPdG2DgEjjduBDArV9EF9mRiRzMBN\",\n    \"proofPurpose\": \"assertionMethod\",\n    \"created\": \"2020-04-02T18:48:36Z\",\n    \"challenge\": \"d436f0c8-fbd9-4e48-bbb2-55fc5d0920a8\",\n    \"domain\": \"example.com\"\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "checks": [
    "proof"
  ],
  "warnings": [],
  "errors": []
}