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curl --request POST \
--url https://api.meetecho.ai/v1/customers \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"external_id": "cust_001",
"first_name": "John",
"last_name": "Smith",
"phone": "+971123456789",
"metadata": {
"location": "Worldwideee"
}
}
'import requests
url = "https://api.meetecho.ai/v1/customers"
payload = {
"external_id": "cust_001",
"first_name": "John",
"last_name": "Smith",
"phone": "+971123456789",
"metadata": { "location": "Worldwideee" }
}
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
external_id: 'cust_001',
first_name: 'John',
last_name: 'Smith',
phone: '+971123456789',
metadata: {location: 'Worldwideee'}
})
};
fetch('https://api.meetecho.ai/v1/customers', 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.meetecho.ai/v1/customers",
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([
'external_id' => 'cust_001',
'first_name' => 'John',
'last_name' => 'Smith',
'phone' => '+971123456789',
'metadata' => [
'location' => 'Worldwideee'
]
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <api-key>"
],
]);
$response = curl_exec($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.meetecho.ai/v1/customers"
payload := strings.NewReader("{\n \"external_id\": \"cust_001\",\n \"first_name\": \"John\",\n \"last_name\": \"Smith\",\n \"phone\": \"+971123456789\",\n \"metadata\": {\n \"location\": \"Worldwideee\"\n }\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<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://api.meetecho.ai/v1/customers")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"external_id\": \"cust_001\",\n \"first_name\": \"John\",\n \"last_name\": \"Smith\",\n \"phone\": \"+971123456789\",\n \"metadata\": {\n \"location\": \"Worldwideee\"\n }\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.meetecho.ai/v1/customers")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"external_id\": \"cust_001\",\n \"first_name\": \"John\",\n \"last_name\": \"Smith\",\n \"phone\": \"+971123456789\",\n \"metadata\": {\n \"location\": \"Worldwideee\"\n }\n}"
response = http.request(request)
puts response.read_body{
"id": "8cc6199f-9466-46f2-9db7-936f3c2c1c0b",
"created_at": "2026-03-18T16:51:03.253Z",
"project_id": "e56b4c35-882d-4604-9944-9763d314ea59",
"external_id": "cust_001",
"first_name": "John",
"last_name": "Smith",
"metadata": {
"location": "Worldwideee"
},
"phones": [
{
"id": "270f9e3e-37b8-463d-a57f-448990fed179",
"created_at": "2026-03-18T16:51:03.253Z",
"customer_id": "8cc6199f-9466-46f2-9db7-936f3c2c1c0b",
"value": "+971123456789",
"is_primary": true,
"status": "active"
}
]
}curl --request POST \
--url https://api.meetecho.ai/v1/customers \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '
{
"external_id": "cust_001",
"first_name": "John",
"last_name": "Smith",
"phone": "+971123456789",
"metadata": {
"location": "Worldwideee"
}
}
'import requests
url = "https://api.meetecho.ai/v1/customers"
payload = {
"external_id": "cust_001",
"first_name": "John",
"last_name": "Smith",
"phone": "+971123456789",
"metadata": { "location": "Worldwideee" }
}
headers = {
"x-api-key": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
external_id: 'cust_001',
first_name: 'John',
last_name: 'Smith',
phone: '+971123456789',
metadata: {location: 'Worldwideee'}
})
};
fetch('https://api.meetecho.ai/v1/customers', 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.meetecho.ai/v1/customers",
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([
'external_id' => 'cust_001',
'first_name' => 'John',
'last_name' => 'Smith',
'phone' => '+971123456789',
'metadata' => [
'location' => 'Worldwideee'
]
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"x-api-key: <api-key>"
],
]);
$response = curl_exec($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.meetecho.ai/v1/customers"
payload := strings.NewReader("{\n \"external_id\": \"cust_001\",\n \"first_name\": \"John\",\n \"last_name\": \"Smith\",\n \"phone\": \"+971123456789\",\n \"metadata\": {\n \"location\": \"Worldwideee\"\n }\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("x-api-key", "<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://api.meetecho.ai/v1/customers")
.header("x-api-key", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"external_id\": \"cust_001\",\n \"first_name\": \"John\",\n \"last_name\": \"Smith\",\n \"phone\": \"+971123456789\",\n \"metadata\": {\n \"location\": \"Worldwideee\"\n }\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.meetecho.ai/v1/customers")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"external_id\": \"cust_001\",\n \"first_name\": \"John\",\n \"last_name\": \"Smith\",\n \"phone\": \"+971123456789\",\n \"metadata\": {\n \"location\": \"Worldwideee\"\n }\n}"
response = http.request(request)
puts response.read_body{
"id": "8cc6199f-9466-46f2-9db7-936f3c2c1c0b",
"created_at": "2026-03-18T16:51:03.253Z",
"project_id": "e56b4c35-882d-4604-9944-9763d314ea59",
"external_id": "cust_001",
"first_name": "John",
"last_name": "Smith",
"metadata": {
"location": "Worldwideee"
},
"phones": [
{
"id": "270f9e3e-37b8-463d-a57f-448990fed179",
"created_at": "2026-03-18T16:51:03.253Z",
"customer_id": "8cc6199f-9466-46f2-9db7-936f3c2c1c0b",
"value": "+971123456789",
"is_primary": true,
"status": "active"
}
]
}Echo API key — format: echo_<64 hex chars>. Returned once on signup.
Your system's unique ID for this person
"cust_001"
"John"
"Smith"
E.164 phone number — becomes the customer's primary phone
"+971123456789"
{ "location": "Worldwideee" }
Customer created
"8cc6199f-9466-46f2-9db7-936f3c2c1c0b"
"e56b4c35-882d-4604-9944-9763d314ea59"
"cust_001"
"John"
"Smith"
{ "location": "Worldwideee" }
Show child attributes
"2026-03-18T16:51:03.253Z"