Business SMS, MMS and voice calls on carrier-grade numbers. Your client pastes their Bandwidth key once, and your agent or your code works with their access.
Phone and SMS
About Bandwidth
Bandwidth is a communications API company that runs its own carrier network for voice, SMS and MMS.
Once your client connects Bandwidth, your agent or code can send and receive messages and work with calls on their numbers.
Bandwidth
Bandwidth · Phone and SMS
API key
Business SMS, MMS and voice calls on carrier-grade numbers
The client pastes their API credentials from Bandwidth's settings. We store it encrypted.
Tested against Bandwidth's live API.
Tools
Every tool your agent gets for Bandwidth. Select one to see its inputs and an example call.
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Building with Bandwidth? The docs have setup steps and code for every tool.
Add a client, select the services, copy the link. You'll get an email the moment their access is ready. Start free, no card required. Paid plans are one flat monthly price, and a busy month never takes your agents offline.