Linq Infrastructure and APIs

Linq Infrastructure Clients: What to Expect When You Build on Our iMessage API

This article is for teams that use Linq’s iMessage API as core infrastructure in their own products—consumer apps, B2B SaaS platforms, and AI.

If you’re building on Linq, this is your guide to:

• What “Infrastructure” means

• Why companies choose iMessage through Linq

• What's Included in Linq Blue Infrastructure

• How we’ll partner with you on building, launching, and scaling

1. What is Linq Blue Infrastructure?

Linq Blue infrastructure is Linq’s iMessaging API, which can be used to deliver a variety of services to users via iMessage

Some examples of products built on Linq's API include:

• Companion AI tools

• Agentic AI tools

• Platforms that rely on conversational interfacing as a primary user experience

In these cases, Linq isn’t “just another tool. It’s the messaging conduit that end-users utilize every day. 

2. Why iMessage (and Why Through Linq)?

iMessage is where your users already are

In the U.S.:

• Text messaging is one of the most preferred ways people communicate with friends and family.

• Roughly half of mobile users are on iPhone, which makes iMessage a uniquely powerful channel to reach consumers.

By building on Linq, you can:

• Deliver AI or conversational experiences in a familiar, trusted channel

• Reduce friction—no extra app download required for your end users

• Support sending and receiving of rich media

  Linq helps you bring your AI or conversational product directly into your users’ default messaging app.

3. What's Included in Linq Blue Infrastructure?

• Linq Partner API – To programmatically send and receive iMessages, RCS, and SMS

• Linq Zero Web App – To:

  • View and manage phone lines

  • Monitor analytics and line health

  • Access API documentation

  • Manage webhooks and view delivery logs

4. How We Support You

Partner Success Manager

You’ll be assigned a Partner Success Manager who acts as:

• Your primary point of contact for day-to-day questions

• The person who coordinates with engineering on your behalf to get your questions answered

We partner with you to:

• Coordinate with you on your buildout

• Strategize with you on your launch plans
• Project scaling needs and anticipate and match demand

• Monitoring performance and health metrics for your Linq Blue numbers

Technical & Engineering Support

You’ll also have access to:

• Tier 2 technical resources for deeper API questions

• Escalation to engineering for bugs, incidents, or critical reliability issues