Retrieve a validation
curl --request GET \
--url https://api.newinvoice.dev/v1/validations/{id} \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.newinvoice.dev/v1/validations/{id}"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.newinvoice.dev/v1/validations/{id}', 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.newinvoice.dev/v1/validations/{id}",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.newinvoice.dev/v1/validations/{id}"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.newinvoice.dev/v1/validations/{id}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.newinvoice.dev/v1/validations/{id}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"object": "validation",
"id": "obj_2P9K3sample",
"valid": true,
"errors": [
{
"code": "string",
"path": "string",
"message": "string",
"remediation": "string"
}
],
"summary": {
"uuid": "5FB2822E-396D-4725-8521-CDC4BDD20CCF",
"version": "string",
"tipo_de_comprobante": "string",
"emisor": "string",
"receptor": "string",
"moneda": "MXN",
"sub_total": "string",
"total": "116.00",
"stamped": true,
"sat": {
"estado": "string",
"es_cancelable": "string",
"cancel_status": "none"
}
},
"livemode": false,
"created_at": "2026-07-10T18:25:43Z"
}{
"type": "https://errors.invoiceapi.mx/auth_unauthorized",
"title": "Authentication required",
"status": 401,
"code": "auth.unauthorized",
"detail": "Missing or invalid API key.",
"remediation": "Send `Authorization: Bearer sk_test_...` (or sk_live_...) with a valid API key.",
"doc_url": "/docs/errors#auth-unauthorized",
"request_id": "req_2P9K3sample"
}{
"type": "https://errors.invoiceapi.mx/resource_not_found",
"title": "Resource not found",
"status": 404,
"code": "resource.not_found",
"detail": "No such id in this org + mode.",
"remediation": "Verify the id and that the key mode (test/live) matches the id.",
"doc_url": "/docs/errors#resource-not_found",
"request_id": "req_2P9K3sample"
}{
"type": "https://errors.invoiceapi.mx/request_validation_failed",
"title": "Request validation failed",
"status": 422,
"code": "request.validation_failed",
"detail": "One or more fields did not satisfy the schema.",
"remediation": "Fix the fields listed in `errors` and resubmit.",
"doc_url": "/docs/errors#request-validation_failed",
"request_id": "req_2P9K3sample"
}{
"type": "https://errors.invoiceapi.mx/rate_limit_exceeded",
"title": "Rate limit exceeded",
"status": 429,
"code": "rate_limit.exceeded",
"detail": "Too many requests for this key + request class (reads and writes are limited separately).",
"remediation": "Back off and retry after the number of seconds in the Retry-After header; batch work or lower your request rate.",
"doc_url": "/docs/errors#rate_limit-exceeded",
"request_id": "req_2P9K3sample"
}{
"type": "https://errors.invoiceapi.mx/internal_error",
"title": "Internal server error",
"status": 500,
"code": "internal.error",
"detail": "An unexpected error occurred.",
"remediation": "Retry later; contact support with the request_id if it persists.",
"doc_url": "/docs/errors#internal-error",
"request_id": "req_2P9K3sample"
}validations
Retrieve a validation
Fetch a previously run validation result by id.
GET
/
v1
/
validations
/
{id}
Retrieve a validation
curl --request GET \
--url https://api.newinvoice.dev/v1/validations/{id} \
--header 'Authorization: Bearer <token>'import requests
url = "https://api.newinvoice.dev/v1/validations/{id}"
headers = {"Authorization": "Bearer <token>"}
response = requests.get(url, headers=headers)
print(response.text)const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};
fetch('https://api.newinvoice.dev/v1/validations/{id}', 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.newinvoice.dev/v1/validations/{id}",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "GET",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.newinvoice.dev/v1/validations/{id}"
req, _ := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.get("https://api.newinvoice.dev/v1/validations/{id}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.newinvoice.dev/v1/validations/{id}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body{
"object": "validation",
"id": "obj_2P9K3sample",
"valid": true,
"errors": [
{
"code": "string",
"path": "string",
"message": "string",
"remediation": "string"
}
],
"summary": {
"uuid": "5FB2822E-396D-4725-8521-CDC4BDD20CCF",
"version": "string",
"tipo_de_comprobante": "string",
"emisor": "string",
"receptor": "string",
"moneda": "MXN",
"sub_total": "string",
"total": "116.00",
"stamped": true,
"sat": {
"estado": "string",
"es_cancelable": "string",
"cancel_status": "none"
}
},
"livemode": false,
"created_at": "2026-07-10T18:25:43Z"
}{
"type": "https://errors.invoiceapi.mx/auth_unauthorized",
"title": "Authentication required",
"status": 401,
"code": "auth.unauthorized",
"detail": "Missing or invalid API key.",
"remediation": "Send `Authorization: Bearer sk_test_...` (or sk_live_...) with a valid API key.",
"doc_url": "/docs/errors#auth-unauthorized",
"request_id": "req_2P9K3sample"
}{
"type": "https://errors.invoiceapi.mx/resource_not_found",
"title": "Resource not found",
"status": 404,
"code": "resource.not_found",
"detail": "No such id in this org + mode.",
"remediation": "Verify the id and that the key mode (test/live) matches the id.",
"doc_url": "/docs/errors#resource-not_found",
"request_id": "req_2P9K3sample"
}{
"type": "https://errors.invoiceapi.mx/request_validation_failed",
"title": "Request validation failed",
"status": 422,
"code": "request.validation_failed",
"detail": "One or more fields did not satisfy the schema.",
"remediation": "Fix the fields listed in `errors` and resubmit.",
"doc_url": "/docs/errors#request-validation_failed",
"request_id": "req_2P9K3sample"
}{
"type": "https://errors.invoiceapi.mx/rate_limit_exceeded",
"title": "Rate limit exceeded",
"status": 429,
"code": "rate_limit.exceeded",
"detail": "Too many requests for this key + request class (reads and writes are limited separately).",
"remediation": "Back off and retry after the number of seconds in the Retry-After header; batch work or lower your request rate.",
"doc_url": "/docs/errors#rate_limit-exceeded",
"request_id": "req_2P9K3sample"
}{
"type": "https://errors.invoiceapi.mx/internal_error",
"title": "Internal server error",
"status": 500,
"code": "internal.error",
"detail": "An unexpected error occurred.",
"remediation": "Retry later; contact support with the request_id if it persists.",
"doc_url": "/docs/errors#internal-error",
"request_id": "req_2P9K3sample"
}Authorizations
API key: Authorization: Bearer sk_test_... or sk_live_....
Headers
Pin a dated API release (Stripe-style). Omit to use the current version. An unknown value returns 400 request.invalid_version. Echoed back on every response.
Example:
"2026-07-10"
Connect: act on behalf of one of your connected accounts (its acct_…/org_… id). Omit to act as your own organization. Not honored on /v1/api_keys.
Example:
"org_2P9connectedacct"
Path Parameters
Validation record id.
Response
Default Response
Always "validation".
Available options:
validation Validation record id.
True when the CFDI passed all structural/SAT checks.
The validation failures found (empty when valid).
Show child attributes
Show child attributes
Parsed summary of the CFDI plus SAT status.
Show child attributes
Show child attributes
True if validated with a live-mode key.
Creation timestamp, ISO-8601 UTC.