Reviews on G2

Put your AI agent on iMessage.

Ship with the API, MCP, CLI or Vercel Chat SDK.

Trusted by 4,000+ businesses

Bilt, Polymarket, Compass, HYROS, iClosed, Commas, Big Think Capital

Pick your path.

Copy a command. Test on the free sandbox.

Vercel Chat SDK

You run a Chat SDK bot and want it in Messages.

  1. Install the adapter
    npm install chat chat-adapter-sendblue @chat-adapter/state-memory
  2. Add your keys
    SENDBLUE_API_KEY=your-api-key-id
    SENDBLUE_API_SECRET=your-api-secret-key
    SENDBLUE_FROM_NUMBER=+14155550100
Sendblue

Adapter maintained by Sendblue.Your bot replies with typing and tapbacks.

Tara K.Table booking agent · +1 (415) 555-0142
7:02 PM
Yes, 8:00 for two. See you then.
7:02 PM
  1. thread.post()
  2. Delivered

Your agent, texting back in blue bubbles.

People text your agent's number. Your webhook gets the message. Your agent types, calls its tools and replies in the same thread.

In production5+ years

Hundreds of AI agent companies join every month.

HIPAA. SOC 2 Type II. 99.99% uptime SLA.

What your agent can do

Two way, in one thread.

Your agent shows typing while it works and sees read receipts.

Reactions and group chats.

Your agent can react and join group threads like a person.

Media after they reply.

Once they write back, your agent can send images and files.

Get API key

From a free sandbox to production.

Get a sandbox number

Sign up free or run sendblue setup. Text your sandbox number once from your phone, then reply to that thread from the API or with sendblue send.

Connect your agent

Use the Vercel Chat SDK adapter, the MCP server, the CLI or the API. On a dedicated line, messages reach your agent by webhook and replies go out in the same thread.

Go to production

Move to dedicated lines with HIPAA, SOC 2 Type II and a 99.99% uptime SLA, plus a delivery status on every message your agent can act on.

Get API key

Also for GoHighLevelHubSpot sales teams.

Your GoHighLevel, HubSpot, Close or Salesforce workflows send blue bubbles. No A2P registration. 2-3x higher reply rates vs SMS.

Result:Replies doubled

“I've seen people reacting and responding double, even more, than I was getting with the green bubble in GoHighLevel.”

Daniel Aroustamian
Daniel AroustamianFounder, CareConnect
Today
Messaging from +1 (415) 555-0100
New lead from Facebook form · Enrolled in Speed to lead
Hi Jessica, it's Mike from Summit Roofing. Saw you asked about a roof inspection. Want me to hold a time for you this week?
9:41 AM
Yes please! Thursday afternoon works
9:43 AM
Perfect. You're booked for Thursday at 2:00 PM. I'll text you a reminder that morning.
9:43 AMDelivered
Status changed from New to Booked
Jessica M.Booked
Denver, CO, 9:43 AM+1 (303) 555-0142
Type a message
Send

Ready for production.

Real Apple hardware and real numbers. No A2P registration.

Dedicated lines: a number that belongs to your agent.

Delivery status webhook on every message.

HIPAA, SOC 2 Type II and a 99.99% uptime SLA.

DPA ready, with audit logs.

No shared infrastructure.

Get a demo

What customers say

Bilt
“Being able to do this without asking anyone to download anything new is a huge plus, and we’re happy to be working with Sendblue to make this happen.”

Ankur Jain

Founder and CEO, Bilt

FAQ

People text your Sendblue number and your app gets a webhook. Your agent replies through the API in the same thread, from the same dedicated number. Typing indicators, tapbacks, read receipts and delivery callbacks are included.

Reviews on G2

Send blue. Get replies.

Free sandbox. No A2P registration.