cURL
curl --request POST \
--url https://api.buildwithchirp.com/v1/playground/whatsapp/inbound \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"from": "+15559876543",
"to": "+15551234567",
"text": "Hello from a simulated WhatsApp user!"
}
'import requests
url = "https://api.buildwithchirp.com/v1/playground/whatsapp/inbound"
payload = {
"from": "+15559876543",
"to": "+15551234567",
"text": "Hello from a simulated WhatsApp user!"
}
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({
from: '+15559876543',
to: '+15551234567',
text: 'Hello from a simulated WhatsApp user!'
})
};
fetch('https://api.buildwithchirp.com/v1/playground/whatsapp/inbound', 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.buildwithchirp.com/v1/playground/whatsapp/inbound",
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([
'from' => '+15559876543',
'to' => '+15551234567',
'text' => 'Hello from a simulated WhatsApp user!'
]),
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.buildwithchirp.com/v1/playground/whatsapp/inbound"
payload := strings.NewReader("{\n \"from\": \"+15559876543\",\n \"to\": \"+15551234567\",\n \"text\": \"Hello from a simulated WhatsApp user!\"\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.buildwithchirp.com/v1/playground/whatsapp/inbound")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"from\": \"+15559876543\",\n \"to\": \"+15551234567\",\n \"text\": \"Hello from a simulated WhatsApp user!\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.buildwithchirp.com/v1/playground/whatsapp/inbound")
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 \"from\": \"+15559876543\",\n \"to\": \"+15551234567\",\n \"text\": \"Hello from a simulated WhatsApp user!\"\n}"
response = http.request(request)
puts response.read_body{
"id": "<string>",
"status": "QUEUED"
}{
"error": {
"type": "invalid_request_error",
"message": "The phone number \"+1abc\" is not in E.164 format.",
"code": "invalid_phone_number",
"doc_url": "https://docs.buildwithchirp.com/api_reference/error-codes#invalid_phone_number",
"param": "from",
"provider": {
"source": "meta",
"code": 123,
"message": "<string>",
"fbtrace_id": "<string>",
"health_status": {
"entities": [
{
"id": "<string>",
"can_send_message": "AVAILABLE",
"errors": [
{
"error_code": 123,
"error_description": "<string>",
"possible_solution": "<string>"
}
]
}
]
}
},
"additional_info": [
"<string>"
]
}
}{
"error": {
"type": "invalid_request_error",
"message": "The phone number \"+1abc\" is not in E.164 format.",
"code": "invalid_phone_number",
"doc_url": "https://docs.buildwithchirp.com/api_reference/error-codes#invalid_phone_number",
"param": "from",
"provider": {
"source": "meta",
"code": 123,
"message": "<string>",
"fbtrace_id": "<string>",
"health_status": {
"entities": [
{
"id": "<string>",
"can_send_message": "AVAILABLE",
"errors": [
{
"error_code": 123,
"error_description": "<string>",
"possible_solution": "<string>"
}
]
}
]
}
},
"additional_info": [
"<string>"
]
}
}{
"error": {
"type": "invalid_request_error",
"message": "The phone number \"+1abc\" is not in E.164 format.",
"code": "invalid_phone_number",
"doc_url": "https://docs.buildwithchirp.com/api_reference/error-codes#invalid_phone_number",
"param": "from",
"provider": {
"source": "meta",
"code": 123,
"message": "<string>",
"fbtrace_id": "<string>",
"health_status": {
"entities": [
{
"id": "<string>",
"can_send_message": "AVAILABLE",
"errors": [
{
"error_code": 123,
"error_description": "<string>",
"possible_solution": "<string>"
}
]
}
]
}
},
"additional_info": [
"<string>"
]
}
}{
"error": {
"type": "invalid_request_error",
"message": "The phone number \"+1abc\" is not in E.164 format.",
"code": "invalid_phone_number",
"doc_url": "https://docs.buildwithchirp.com/api_reference/error-codes#invalid_phone_number",
"param": "from",
"provider": {
"source": "meta",
"code": 123,
"message": "<string>",
"fbtrace_id": "<string>",
"health_status": {
"entities": [
{
"id": "<string>",
"can_send_message": "AVAILABLE",
"errors": [
{
"error_code": 123,
"error_description": "<string>",
"possible_solution": "<string>"
}
]
}
]
}
},
"additional_info": [
"<string>"
]
}
}Playground
Simulate inbound WhatsApp message
Simulate an inbound WhatsApp text message from a user to your application. Test apps only. The simulated message is processed by the same pipeline as real Meta webhooks and will trigger your configured messages.whatsapp.received webhooks.
POST
/
v1
/
playground
/
whatsapp
/
inbound
cURL
curl --request POST \
--url https://api.buildwithchirp.com/v1/playground/whatsapp/inbound \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"from": "+15559876543",
"to": "+15551234567",
"text": "Hello from a simulated WhatsApp user!"
}
'import requests
url = "https://api.buildwithchirp.com/v1/playground/whatsapp/inbound"
payload = {
"from": "+15559876543",
"to": "+15551234567",
"text": "Hello from a simulated WhatsApp user!"
}
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({
from: '+15559876543',
to: '+15551234567',
text: 'Hello from a simulated WhatsApp user!'
})
};
fetch('https://api.buildwithchirp.com/v1/playground/whatsapp/inbound', 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.buildwithchirp.com/v1/playground/whatsapp/inbound",
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([
'from' => '+15559876543',
'to' => '+15551234567',
'text' => 'Hello from a simulated WhatsApp user!'
]),
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.buildwithchirp.com/v1/playground/whatsapp/inbound"
payload := strings.NewReader("{\n \"from\": \"+15559876543\",\n \"to\": \"+15551234567\",\n \"text\": \"Hello from a simulated WhatsApp user!\"\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.buildwithchirp.com/v1/playground/whatsapp/inbound")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"from\": \"+15559876543\",\n \"to\": \"+15551234567\",\n \"text\": \"Hello from a simulated WhatsApp user!\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.buildwithchirp.com/v1/playground/whatsapp/inbound")
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 \"from\": \"+15559876543\",\n \"to\": \"+15551234567\",\n \"text\": \"Hello from a simulated WhatsApp user!\"\n}"
response = http.request(request)
puts response.read_body{
"id": "<string>",
"status": "QUEUED"
}{
"error": {
"type": "invalid_request_error",
"message": "The phone number \"+1abc\" is not in E.164 format.",
"code": "invalid_phone_number",
"doc_url": "https://docs.buildwithchirp.com/api_reference/error-codes#invalid_phone_number",
"param": "from",
"provider": {
"source": "meta",
"code": 123,
"message": "<string>",
"fbtrace_id": "<string>",
"health_status": {
"entities": [
{
"id": "<string>",
"can_send_message": "AVAILABLE",
"errors": [
{
"error_code": 123,
"error_description": "<string>",
"possible_solution": "<string>"
}
]
}
]
}
},
"additional_info": [
"<string>"
]
}
}{
"error": {
"type": "invalid_request_error",
"message": "The phone number \"+1abc\" is not in E.164 format.",
"code": "invalid_phone_number",
"doc_url": "https://docs.buildwithchirp.com/api_reference/error-codes#invalid_phone_number",
"param": "from",
"provider": {
"source": "meta",
"code": 123,
"message": "<string>",
"fbtrace_id": "<string>",
"health_status": {
"entities": [
{
"id": "<string>",
"can_send_message": "AVAILABLE",
"errors": [
{
"error_code": 123,
"error_description": "<string>",
"possible_solution": "<string>"
}
]
}
]
}
},
"additional_info": [
"<string>"
]
}
}{
"error": {
"type": "invalid_request_error",
"message": "The phone number \"+1abc\" is not in E.164 format.",
"code": "invalid_phone_number",
"doc_url": "https://docs.buildwithchirp.com/api_reference/error-codes#invalid_phone_number",
"param": "from",
"provider": {
"source": "meta",
"code": 123,
"message": "<string>",
"fbtrace_id": "<string>",
"health_status": {
"entities": [
{
"id": "<string>",
"can_send_message": "AVAILABLE",
"errors": [
{
"error_code": 123,
"error_description": "<string>",
"possible_solution": "<string>"
}
]
}
]
}
},
"additional_info": [
"<string>"
]
}
}{
"error": {
"type": "invalid_request_error",
"message": "The phone number \"+1abc\" is not in E.164 format.",
"code": "invalid_phone_number",
"doc_url": "https://docs.buildwithchirp.com/api_reference/error-codes#invalid_phone_number",
"param": "from",
"provider": {
"source": "meta",
"code": 123,
"message": "<string>",
"fbtrace_id": "<string>",
"health_status": {
"entities": [
{
"id": "<string>",
"can_send_message": "AVAILABLE",
"errors": [
{
"error_code": 123,
"error_description": "<string>",
"possible_solution": "<string>"
}
]
}
]
}
},
"additional_info": [
"<string>"
]
}
}Authorizations
App API key (format: sk_live_app_* or sk_test_app_*) for app-level operations
Body
application/json
Phone number simulating the external WhatsApp user (the sender). E.164 format required.
Example:
"+15559876543"
Your WhatsApp Business phone number that should receive the simulated message. E.164 format required.
Example:
"+15551234567"
Message text content to deliver to your webhook.
Minimum string length:
1Example:
"Hello from a simulated WhatsApp user!"
⌘I