A1ROUTESdevelopers
A1ROUTES.com
A1ROUTES DEVELOPER PLATFORM

Make the
connection.

Your voice infrastructure. Your workflows.
Build with A1ROUTES APIs.

Start building Explore the APIs
REST APIs OpenAPI specs Practical guides
NUMBER LOOKUPGET /lookup/lrn
Your first request
curl --fail-with-body --get \
  "https://control.a1routes.com/api/lookup/lrn" \
  --data-urlencode "api_key=$A1ROUTES_API_KEY" \
  --data-urlencode "extended=true" \
  --data-urlencode "tn=$TELEPHONE_NO"
HTTPS · Credentials stay in your environment
One request. A better-informed connection.View reference
THE BUILDING BLOCKS

Choose your starting point.

One developer home.
The right API for every connection.

NUMBER INTELLIGENCE

Number Lookup

Look up LRN information and bring number intelligence into your calling workflow.

control.a1routes.comExplore API
BUSINESSPHONESYSTEM · A1PBX

Connect your business.

Bring calling, call history, recordings, and voicemail into the tools your team uses.

your-account.a1routes.comExplore API
COMING SOON
MESSAGING

The next conversation.

A new way to connect. Messaging API documentation will arrive with the service.

More to comeLearn more
FROM IDEA TO INTEGRATION

What will you build?

Browse documentation
01

A call, one click away.

Connect your CRM to an existing extension.

Read the guide
02

Every recording, connected.

Retrieve call audio for your business tools.

Read the guide
03

Your call history, in sync.

Bring call records into your reporting.

Read the guide
04

Voicemail in your workflow.

Access messages from authorized mailboxes.

Read the guide

The right key. The right endpoint.

Lookup uses your SIP account key. A1PBX uses its own key and your assigned hostname.

Understand authentication
Good documentation gets you started. Our people help you go further.Talk to developer support