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Call the Wazapin HTTP API directly from Python, Go, PHP, or any language with fetch/cURL.

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For TypeScript, use the official @wazapin/sdk — typed builders, retries, and webhook helpers included.

For every other runtime, call the REST API with your API key (X-Api-Key). Same endpoints, same payloads.

cURL

curl -X POST "https://api.wazapin.com/v1/messages" \
  -H "X-Api-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "channel_id": "wzp_ch_123",
    "to": "6281234567890",
    "type": "text",
    "content": { "body": "Hello from Wazapin" }
  }'

Python

import os
import requests

response = requests.post(
    "https://api.wazapin.com/v1/messages",
    headers={
        "X-Api-Key": os.environ["WAZAPIN_API_KEY"],
        "Content-Type": "application/json",
    },
    json={
        "channel_id": "wzp_ch_123",
        "to": "6281234567890",
        "type": "text",
        "content": {"body": "Hello from Wazapin"},
    },
    timeout=20,
)

response.raise_for_status()
print(response.json())

Go

package main

import (
	"bytes"
	"encoding/json"
	"net/http"
	"os"
)

func main() {
	payload := map[string]any{
		"channel_id": "wzp_ch_123",
		"to":         "6281234567890",
		"type":       "text",
		"content":    map[string]any{"body": "Hello from Wazapin"},
	}

	body, _ := json.Marshal(payload)
	req, _ := http.NewRequest(http.MethodPost, "https://api.wazapin.com/v1/messages", bytes.NewReader(body))
	req.Header.Set("X-Api-Key", os.Getenv("WAZAPIN_API_KEY"))
	req.Header.Set("Content-Type", "application/json")

	res, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()
}

PHP

<?php

$payload = '{
  "channel_id": "wzp_ch_123",
  "to": "6281234567890",
  "type": "text",
  "content": {"body": "Hello from Wazapin"}
}';

$ch = curl_init("https://api.wazapin.com/v1/messages");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Content-Type: application/json",
    "X-Api-Key: " . getenv("WAZAPIN_API_KEY"),
]);

$response = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);

echo $httpCode . "\n" . $response . "\n";

Java

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class SendMessage {
    public static void main(String[] args) throws Exception {
        String body = """
                {"channel_id":"wzp_ch_123","to":"6281234567890","type":"text","content":{"body":"Hello from Wazapin"}}
                """;

        HttpRequest request = HttpRequest.newBuilder()
                .uri(URI.create("https://api.wazapin.com/v1/messages"))
                .header("X-Api-Key", System.getenv("WAZAPIN_API_KEY"))
                .header("Content-Type", "application/json")
                .POST(HttpRequest.BodyPublishers.ofString(body))
                .build();

        HttpResponse<String> response = HttpClient.newHttpClient()
                .send(request, HttpResponse.BodyHandlers.ofString());

        System.out.println(response.statusCode());
        System.out.println(response.body());
    }
}

Ruby

require "net/http"
require "uri"

uri = URI("https://api.wazapin.com/v1/messages")
request = Net::HTTP::Post.new(uri)
request["Content-Type"] = "application/json"
request["X-Api-Key"] = ENV["WAZAPIN_API_KEY"]
request.body = '{"channel_id":"wzp_ch_123","to":"6281234567890","type":"text","content":{"body":"Hello from Wazapin"}}'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts response.code
puts response.body

C#

using System.Net.Http;
using System.Text;

var body = "{\"channel_id\":\"wzp_ch_123\",\"to\":\"6281234567890\",\"type\":\"text\",\"content\":{\"body\":\"Hello from Wazapin\"}}";

using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-Api-Key", Environment.GetEnvironmentVariable("WAZAPIN_API_KEY"));

var response = await client.PostAsync(
    "https://api.wazapin.com/v1/messages",
    new StringContent(body, Encoding.UTF8, "application/json"));

Console.WriteLine((int)response.StatusCode);
Console.WriteLine(await response.Content.ReadAsStringAsync());
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