Linq
Birmingham, Alabama, United States
What it is
Linq is a communications platform and API for businesses and developers that send messages or make calls across iMessage, RCS, SMS, and voice. Its API supports iMessage, RCS, and SMS, with automatic protocol selection and fallback. Rich messaging capabilities include media, group chats, reactions, message effects, typing indicators, polls, and real-time webhooks. Linq names customer support, sales engagement, appointment reminders, order notifications, and AI agents as potential use cases. Developers can use API documentation and CLI access; Linq says they can build a first workflow in less than five minutes. The company advertises 99.95% uptime and latency below 120 ms. It says it holds SOC 2 Type I and Type II certifications, encrypts sensitive customer data stores at rest, and restricts privileged access to encryption keys. Linq is available on Android, iOS, and web, as well as through its API. Hobby costs nothing and supports up to 20 contacts. Pro costs $260 a month. Enterprise pricing is custom. Partner API access requires a bearer token from a Linq representative and an assigned phone number.
For and against
For
- Supports iMessage, RCS, and SMS with fallback.
- Rich messaging includes groups, polls, and reactions.
- Hobby plan costs nothing.
- Pro includes zero data retention.
- Official Vercel Chat SDK adapter is available.
Against
- Hobby supports up to 20 contacts.
- Pro costs $260 a month.
- Partner API requires a Linq-provisioned bearer token and phone number.
The verdict
Linq provides messaging channels and developer tools for businesses adding conversations to their services. The free Hobby plan is limited to 20 contacts, while Pro is priced at $260 a month.
Who it suits
Linq may suit developers and businesses building messaging into software platforms, CRM and sales tools, customer support platforms, or marketing automation. Its listed use cases also include reminders, notifications, and AI agents.
Plans and prices
Hobby
Up to 20 contacts · iMessage · RCS and SMS fallback · Full Linq API access
Read 9 Oct 2026 · linqapp.com
Pro
Everything in Hobby · iMessage Apps · Payments · Group messaging
Read 9 Oct 2026 · linqapp.com
Enterprise
Everything in Pro · Volume discounts · Contractual SLAs · Forward deployed engineers
Read 9 Oct 2026 · linqapp.com
On the record
- API limitation
- Using the Partner API requires a bearer token provisioned by a Linq representative and at least one phone number assigned to the account.docs.linqapp.com · read 9 Oct 2026
- Developer setup
- Linq says developers can build their first workflow in less than five minutes and offers API documentation and CLI access.linqapp.com · read 9 Oct 2026
- Encryption
- Linq states sensitive customer data stores are encrypted at rest and privileged access to encryption keys is restricted.linqapp.com · read 9 Oct 2026
- Integration
- Linq publishes an official vendor adapter for Vercel's Chat SDK that adds iMessage, RCS, and SMS delivery channels.linqapp.com · read 9 Oct 2026
- Intended users
- Linq describes its API as designed for software platforms, CRM and sales tools, customer support platforms, marketing automation tools, and developers building messaging solutions.docs.linqapp.com · read 9 Oct 2026
- Messaging
- The API supports iMessage, RCS, and SMS, with automatic protocol selection and fallback.docs.linqapp.com · read 9 Oct 2026
- Privacy limitation
- The pricing page lists zero data retention as a Pro feature.linqapp.com · read 9 Oct 2026
- Product
- Linq provides a communications platform and API for businesses and developers to send and receive messages and make calls across iMessage, RCS, SMS, and voice.linqapp.com · read 9 Oct 2026
- Reliability
- Linq advertises 99.95% uptime and latency below 120 ms on its product page.linqapp.com · read 9 Oct 2026
- Rich messaging
- Features include rich media, group chats, reactions, message effects, typing indicators, polls, and real-time webhooks.docs.linqapp.com · read 9 Oct 2026
- Security certification
- Linq says it holds SOC 2 Type I and Type II certifications and continuously monitors 70 controls.linqapp.com · read 9 Oct 2026
- Support
- The Pro plan includes a dedicated Slack channel for support and updates; Enterprise includes forward deployed engineers.linqapp.com · read 9 Oct 2026
- Use cases
- Linq identifies customer support, sales engagement, appointment reminders, order notifications, and AI agents as API use cases.docs.linqapp.com · read 9 Oct 2026
