curl --request POST \
  --url https://wmc.wiremockapi.cloud/v1/mock-apis/{mockApiId}/mappings/find-by-metadata \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "matchesJsonPath": {
    "expression": "$.outer",
    "equalToJson": "{ \"inner\": 42 }"
  }
}
'

import requests

url = "https://wmc.wiremockapi.cloud/v1/mock-apis/{mockApiId}/mappings/find-by-metadata"

payload = { "matchesJsonPath": {
        "expression": "$.outer",
        "equalToJson": "{ \"inner\": 42 }"
    } }
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({matchesJsonPath: {expression: '$.outer', equalToJson: '{ "inner": 42 }'}})
};

fetch('https://wmc.wiremockapi.cloud/v1/mock-apis/{mockApiId}/mappings/find-by-metadata', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://wmc.wiremockapi.cloud/v1/mock-apis/{mockApiId}/mappings/find-by-metadata",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'matchesJsonPath' => [
        'expression' => '$.outer',
        'equalToJson' => '{ "inner": 42 }'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "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://wmc.wiremockapi.cloud/v1/mock-apis/{mockApiId}/mappings/find-by-metadata"

	payload := strings.NewReader("{\n  \"matchesJsonPath\": {\n    \"expression\": \"$.outer\",\n    \"equalToJson\": \"{ \\\"inner\\\": 42 }\"\n  }\n}")

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

	req.Header.Add("Authorization", "<api-key>")
	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://wmc.wiremockapi.cloud/v1/mock-apis/{mockApiId}/mappings/find-by-metadata")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"matchesJsonPath\": {\n    \"expression\": \"$.outer\",\n    \"equalToJson\": \"{ \\\"inner\\\": 42 }\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://wmc.wiremockapi.cloud/v1/mock-apis/{mockApiId}/mappings/find-by-metadata")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"matchesJsonPath\": {\n    \"expression\": \"$.outer\",\n    \"equalToJson\": \"{ \\\"inner\\\": 42 }\"\n  }\n}"

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

{
  "meta": {
    "total": 2
  },
  "mappings": [
    {
      "id": "76ada7b0-49ae-4229-91c4-396a36f18e09",
      "uuid": "76ada7b0-49ae-4229-91c4-396a36f18e09",
      "request": {
        "method": "GET",
        "url": "/search?q=things",
        "headers": {
          "Accept": {
            "equalTo": "application/json"
          }
        }
      },
      "response": {
        "status": 200,
        "jsonBody": [
          "thing1",
          "thing2"
        ],
        "headers": {
          "Content-Type": "application/json"
        }
      }
    },
    {
      "request": {
        "method": "POST",
        "urlPath": "/some/things",
        "bodyPatterns": [
          {
            "equalToXml": "<stuff />"
          }
        ]
      },
      "response": {
        "status": 201
      }
    }
  ]
}