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Fax API

List and track fax (MMS/T.38) transmissions on Telnyx-backed fax numbers (sending flows through the Messaging API) Base path: /api/v1/fax Endpoint count: 3

List fax message history

GET /api/v1/fax/
Cursor-paginated history of fax (MMS/T.38) transmissions for the authenticated tenant. Returns the standard paginated envelope; pass cursor from a prior page’s meta.pagination.cursor to page forward.
cursor
string
Opaque pagination cursor from a prior page’s meta.pagination.cursor. Omit for the first page.
limit
integer
Page size (1–200, default 25).
cURL
curl -X GET "https://api.orbit.devotel.io/api/v1/fax/" \
  -H "X-API-Key: dv_live_sk_your_key_here" 
Node.js
import { Orbit } from '@devotel/orbit-sdk'

const orbit = new Orbit({
  apiKey: process.env.ORBIT_API_KEY!,
})

const res = await fetch('https://api.orbit.devotel.io/api/v1/fax/', {
  method: 'GET',
  headers: {
    'X-API-Key': process.env.ORBIT_API_KEY!,
  },
})
console.log(await res.json())


Python
import os, requests

headers = {"X-API-Key": os.environ["ORBIT_API_KEY"]}
r = requests.get("https://api.orbit.devotel.io/api/v1/fax/", headers=headers)
print(r.json())
Go
package main

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

func main() {
	req, _ := http.NewRequest("GET", "https://api.orbit.devotel.io/api/v1/fax/", nil)
	req.Header.Set("X-API-Key", os.Getenv("ORBIT_API_KEY"))

	http.DefaultClient.Do(req)
}
Ruby
require 'net/http'
require 'json'

uri = URI('https://api.orbit.devotel.io/api/v1/fax/')
req = Net::HTTP::Get.new(uri)
req['X-API-Key'] = ENV['ORBIT_API_KEY']


res = Net::HTTP.start(uri.host, uri.port, use_ssl: true) { |h| h.request(req) }
puts res.body
PHP
<?php
$ch = curl_init('https://api.orbit.devotel.io/api/v1/fax/');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');
curl_setopt($ch, CURLOPT_HTTPHEADER, [
  'X-API-Key: ' . getenv('ORBIT_API_KEY'),

]);

echo curl_exec($ch);

Get fax message details

GET /api/v1/fax/{id}
Fetch a single fax (MMS/T.38) message by its ID, scoped to the authenticated tenant. Returns 404 when no fax message with the given ID exists for the tenant.
id
string
required
Fax message ID (msg_…).
cURL
curl -X GET "https://api.orbit.devotel.io/api/v1/fax/{id}" \
  -H "X-API-Key: dv_live_sk_your_key_here" 
Node.js
import { Orbit } from '@devotel/orbit-sdk'

const orbit = new Orbit({
  apiKey: process.env.ORBIT_API_KEY!,
})

const res = await fetch('https://api.orbit.devotel.io/api/v1/fax/{id}', {
  method: 'GET',
  headers: {
    'X-API-Key': process.env.ORBIT_API_KEY!,
  },
})
console.log(await res.json())


Python
import os, requests

headers = {"X-API-Key": os.environ["ORBIT_API_KEY"]}
r = requests.get("https://api.orbit.devotel.io/api/v1/fax/{id}", headers=headers)
print(r.json())
Go
package main

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

func main() {
	req, _ := http.NewRequest("GET", "https://api.orbit.devotel.io/api/v1/fax/{id}", nil)
	req.Header.Set("X-API-Key", os.Getenv("ORBIT_API_KEY"))

	http.DefaultClient.Do(req)
}
Ruby
require 'net/http'
require 'json'

uri = URI('https://api.orbit.devotel.io/api/v1/fax/{id}')
req = Net::HTTP::Get.new(uri)
req['X-API-Key'] = ENV['ORBIT_API_KEY']


res = Net::HTTP.start(uri.host, uri.port, use_ssl: true) { |h| h.request(req) }
puts res.body
PHP
<?php
$ch = curl_init('https://api.orbit.devotel.io/api/v1/fax/{id}');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');
curl_setopt($ch, CURLOPT_HTTPHEADER, [
  'X-API-Key: ' . getenv('ORBIT_API_KEY'),

]);

echo curl_exec($ch);

Get fax delivery status

GET /api/v1/fax/{id}/status
Retrieve the current delivery status of a fax (MMS/T.38) transmission by its message ID. Resolves the provider-side external_id first, then returns the live provider status (cached for ~10s per tenant). Returns 404 when no fax message exists for the tenant OR the transmission has not yet been dispatched (no external_id).
id
string
required
Fax message ID (msg_…).
cURL
curl -X GET "https://api.orbit.devotel.io/api/v1/fax/{id}/status" \
  -H "X-API-Key: dv_live_sk_your_key_here" 
Node.js
import { Orbit } from '@devotel/orbit-sdk'

const orbit = new Orbit({
  apiKey: process.env.ORBIT_API_KEY!,
})

const res = await fetch('https://api.orbit.devotel.io/api/v1/fax/{id}/status', {
  method: 'GET',
  headers: {
    'X-API-Key': process.env.ORBIT_API_KEY!,
  },
})
console.log(await res.json())


Python
import os, requests

headers = {"X-API-Key": os.environ["ORBIT_API_KEY"]}
r = requests.get("https://api.orbit.devotel.io/api/v1/fax/{id}/status", headers=headers)
print(r.json())
Go
package main

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

func main() {
	req, _ := http.NewRequest("GET", "https://api.orbit.devotel.io/api/v1/fax/{id}/status", nil)
	req.Header.Set("X-API-Key", os.Getenv("ORBIT_API_KEY"))

	http.DefaultClient.Do(req)
}
Ruby
require 'net/http'
require 'json'

uri = URI('https://api.orbit.devotel.io/api/v1/fax/{id}/status')
req = Net::HTTP::Get.new(uri)
req['X-API-Key'] = ENV['ORBIT_API_KEY']


res = Net::HTTP.start(uri.host, uri.port, use_ssl: true) { |h| h.request(req) }
puts res.body
PHP
<?php
$ch = curl_init('https://api.orbit.devotel.io/api/v1/fax/{id}/status');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');
curl_setopt($ch, CURLOPT_HTTPHEADER, [
  'X-API-Key: ' . getenv('ORBIT_API_KEY'),

]);

echo curl_exec($ch);