Integrate your tech stack with the OpenPhone API

OpenPhone API

Adapt OpenPhone to your business needs. Create workflows, integrate your tech stack, and do whatever needs doing. Seamlessly.

Take a look at our API documentation to get started.

Explore the docs ->

Trusted by over 50,000 businesses, from fast-growing startups to world-class institutions.

Trusted by over 50,000 businesses

What you can do with the OpenPhone API

Automate messaging

Trigger messaging based on custom criteria. Send scheduling reminders, shift confirmations, project updates, and more — automatically.

Send your first message ->

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Keep contacts in sync

Automatically create, update, delete, and edit contacts from your CRM.

Learn about contact endpoints ->

Log activity in your CRM

Ensure activities in OpenPhone are recorded in your system of record. Seamlessly sync messages, call logs, transcripts, and call summaries.

Connect to your CRM ->

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Build custom integrations

Integrate texts, calls, and contacts more deeply into your tech stack.

Explore the docs ->

What you can connect

Connect conversation data, activity, and more.

Messages

Contacts

Transcripts

Call summaries

Activity

Webhooks

Watch the demo

Watch a quick demo presented by OpenPhone Product Manager, Rachel Boles

“Integrating the OpenPhone API into our processes has been absolutely fantastic! It's streamlined our systems by letting us use a single tool instead of juggling multiple platforms. The API is super easy to use and gives us critical info that we couldn't access through the webhook before.”

Shah Gilani, Founder & CEO, Axcess Talent Management Solutions

Frequently asked questions

How much does the OpenPhone API cost?

Access to the API is included in your OpenPhone plan. For API-powered messaging, we use a straightforward credit-based system. Our pricing is based on a per-segment model for API-powered outgoing text messages. With this model, you pay only what you use.

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Is it a REST API?

Yes. The API is built around REST and returns data in JSON format. It requires authentication, and you’ll need to have an OpenPhone account to access the API endpoints.

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