curl --request POST \
  --url https://api.mailbeast.ai/v1/subsequences/{id}/leads \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "leadIds": [
    "c9e5b1a3-7f24-4d80-a6b9-2e4f8c0d1a37"
  ],
  "emails": [
    "[email protected]"
  ]
}
'

import requests

url = "https://api.mailbeast.ai/v1/subsequences/{id}/leads"

payload = {
    "leadIds": ["c9e5b1a3-7f24-4d80-a6b9-2e4f8c0d1a37"],
    "emails": ["[email protected]"]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({leadIds: ['c9e5b1a3-7f24-4d80-a6b9-2e4f8c0d1a37'], emails: ['[email protected]']})
};

fetch('https://api.mailbeast.ai/v1/subsequences/{id}/leads', 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.mailbeast.ai/v1/subsequences/{id}/leads",
  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([
    'leadIds' => [
        'c9e5b1a3-7f24-4d80-a6b9-2e4f8c0d1a37'
    ],
    'emails' => [
        '[email protected]'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.mailbeast.ai/v1/subsequences/{id}/leads"

	payload := strings.NewReader("{\n  \"leadIds\": [\n    \"c9e5b1a3-7f24-4d80-a6b9-2e4f8c0d1a37\"\n  ],\n  \"emails\": [\n    \"[email protected]\"\n  ]\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.mailbeast.ai/v1/subsequences/{id}/leads")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"leadIds\": [\n    \"c9e5b1a3-7f24-4d80-a6b9-2e4f8c0d1a37\"\n  ],\n  \"emails\": [\n    \"[email protected]\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.mailbeast.ai/v1/subsequences/{id}/leads")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"leadIds\": [\n    \"c9e5b1a3-7f24-4d80-a6b9-2e4f8c0d1a37\"\n  ],\n  \"emails\": [\n    \"[email protected]\"\n  ]\n}"

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

{
  "enrolled": 18,
  "skipped": {
    "not_contacted": 2,
    "already_enrolled": 1
  },
  "notFound": 0
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "validation_failed",
    "message": "One or more fields are invalid.",
    "status": 400,
    "requestId": "e4f1c0b2-6a3d-4b8e-9f21-0a1b2c3d4e5f",
    "details": [
      "name should not be empty"
    ]
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "unauthenticated",
    "message": "Missing or invalid API key.",
    "status": 401,
    "requestId": "e4f1c0b2-6a3d-4b8e-9f21-0a1b2c3d4e5f"
  }
}

{
  "error": {
    "type": "authorization_error",
    "code": "permission_denied",
    "message": "This API key is missing the required scope.",
    "status": 403,
    "requestId": "e4f1c0b2-6a3d-4b8e-9f21-0a1b2c3d4e5f"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "not_found",
    "message": "Resource not found.",
    "status": 404,
    "requestId": "e4f1c0b2-6a3d-4b8e-9f21-0a1b2c3d4e5f"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "conflict",
    "message": "The request conflicts with an existing resource.",
    "status": 409,
    "requestId": "e4f1c0b2-6a3d-4b8e-9f21-0a1b2c3d4e5f"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "idempotency_key_reused",
    "message": "The Idempotency-Key was already used with a different request body. Use a new key for a new operation.",
    "status": 422,
    "requestId": "e4f1c0b2-6a3d-4b8e-9f21-0a1b2c3d4e5f"
  }
}

{
  "error": {
    "type": "rate_limit_error",
    "code": "rate_limited",
    "message": "Too many requests. Retry after the interval in the Retry-After header.",
    "status": 429,
    "requestId": "e4f1c0b2-6a3d-4b8e-9f21-0a1b2c3d4e5f",
    "retryAfter": 30
  }
}