Introduction
Linq Partner API V2 (Legacy) — overview and feature summary.
Welcome to the Linq Partner API
Section titled “Welcome to the Linq Partner API”The Linq Partner API enables you to integrate iMessage, RCS, and SMS messaging directly into your applications. Build powerful conversational experiences, automate customer communication, and leverage the same messaging infrastructure trusted by 50,000+ teams.
What you can build
Section titled “What you can build”With the Partner API, you can:
- Send and receive iMessage, RCS, and SMS messages at scale through your organization’s phone numbers
- Start and manage group chats between your app and multiple users
- Automate conversations with customers, leads, and team members
- Receive real-time notifications via webhooks for incoming messages, reactions, and events
- Manage contacts across your organization
- Track message delivery with read receipts and delivery status
Who is this for?
Section titled “Who is this for?”The Partner API is designed for:
- Software platforms building messaging into their product
- CRM and sales tools adding conversational AI capabilities
- Customer support platforms offering multi-channel communication
- Marketing automation tools engaging customers via text
- Developers building custom messaging solutions
Key features
Section titled “Key features”Unified messaging
Section titled “Unified messaging”Send iMessages and RCS with rich media (images, videos, documents) and automatically fall back to SMS when needed. One API for all three channels.
Real-time webhooks
Section titled “Real-time webhooks”Receive instant notifications when messages arrive, contacts are updated, or users interact with your messages through reactions and typing indicators.
Full message features
Section titled “Full message features”Access the complete iMessage and RCS feature set:
- Read receipts and typing indicators
- Message reactions (love, like, laugh, etc.)
- Message editing and deletion
- Attachments and rich media
- Group conversations
Secure and reliable
Section titled “Secure and reliable”All messages are sent through real phone numbers in your organization. Your integration token controls access and determines which phone numbers you can message from.
Contact management
Section titled “Contact management”Maintain a centralized address book with automatic user assignment and organization-wide visibility.
Use cases
Section titled “Use cases”Customer support automation
Section titled “Customer support automation”Build AI-powered support agents that handle customer inquiries via text, with seamless handoff to human agents when needed.
Sales engagement
Section titled “Sales engagement”Automate personalized outreach campaigns and follow-ups. Track responses and engagement in real-time.
Appointment reminders
Section titled “Appointment reminders”Send automated reminders for appointments, meetings, or events with two-way confirmation.
Lead qualification
Section titled “Lead qualification”Qualify inbound leads through conversational flows before routing to your sales team.
Order notifications
Section titled “Order notifications”Keep customers informed about order status, shipping updates, and delivery notifications.
Getting started
Section titled “Getting started”Ready to start building? Start with Authentication and then send your first message in under 5 minutes via Your First Message. Browse the full endpoint catalog under V2 Reference.
Need help? Contact your Linq representative for API token provisioning and technical support.