PH
Messaging Infrastructure
An open-source framework and managed platform that connects AI agents to iMessage and other messaging interfaces.
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SB
VerifiedInfrastructureInfrastructure reviewed 2026-07-29
Sendblue
A REST API for sending and receiving iMessage, SMS, MMS, and RCS messages.
Category
Messaging InfrastructureChannels
iMessage, SMS, RCSMarket signal
Free sandbox + production lines
Inside Sendblue
Live capture of the official landing page. Site content can change after our review.
Product overview
What Sendblue can help with
Building AI agents and business messaging workflows with iMessage, SMS fallback, RCS, webhooks, and SDKs.
REST API
Webhooks
SDKs
SendblueiMessage APISMSMMSRCSwebhooksSDKAI agents
Access guide
How to get started with Sendblue
- 1
Get access
Open the official Sendblue site and follow its infrastructure flow.
- 2
Send a first request
Try the suggested prompt below, or describe the messaging infrastructure task you want handled.
- 3
Keep the conversation going
Continue in iMessage, SMS, RCS according to the access supported by the official product.
Suggested prompt
Give my AI agent a dedicated iMessage line with SMS fallback
Source-backed details
Sendblue product details
- Pricing
- $0 sandbox; $100/line/mo
- Response time
- API + webhooks
- Access
- Infrastructure
- Product type
- Messaging Infrastructure
- Channels
- iMessage, SMS, RCS
- Source checked
- 2026-07-29
Product signal
iMessage API for business
Market signal
Free sandbox + production lines
Details are compiled from the listed official source and normalized so agents can be compared consistently.
Official docsKeep exploring
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