Strongest fit
Who it is built for
- Developers building iMessage-enabled customer communication
- Businesses automating inbound customer conversations
- Teams needing SMS and RCS fallback for messaging workflows
Sendblue
Business messaging API for iMessage, SMS, and RCS
Sendblue is a business messaging platform for sending and receiving iMessage, SMS, MMS, and RCS through a REST API, SDKs, and CRM integrations. Teams can use it to build messaging workflows, automate customer communications, and support rich messaging features such as media, reactions, and typing indicators.
SESendblueProduct screenshot pending
- Best for
- Developers building iMessage-enabled customer communication
- Pricing signal
- Free
- Primary category
- Communications
- Last verified
- Jul 31, 2026
The decision
Should Sendblue make your shortlist?
Start with the job, the team, and the constraints. Product fit becomes much clearer when those three line up.
Practical use cases
Jobs it can take on
- Send iMessages, SMS, MMS, and RCS messages programmatically
- Build AI chatbots and customer communication workflows
- Manage contacts, group chats, delivery status, and webhooks
Before you choose
Know the tradeoffs
- Free shared-line plans require recipients to verify as contacts before they can receive outbound messages.
- The AI Agent production plan starts at USD 100 per dedicated line per month.
- Messages sent through the API must be fewer than 18,996 characters.
Inside the product
What you can actually do with it.
The core product capabilities, grouped around the work they enable.
Multi-channel messaging
Sendblue supports iMessage, SMS, MMS, and RCS, with SMS and MMS fallback where needed.
Messaging API and SDKs
Developers can use the REST API, CLI, TypeScript SDK, or Python SDK to send and manage messages.
Rich conversation controls
The platform supports media, read receipts, typing indicators, reactions, group messaging, contact sharing, and webhooks.
Typical workflow
Create a Sendblue account, obtain API credentials, and assign a Sendblue phone number. Send messages through the API or SDK with a recipient number and content, then use delivery status and webhooks to manage the resulting conversation workflow.
Plans and official links
Plans and accessFree.
See the entry price, free access options, company details, and direct vendor destinations in one place.
Starting pointFree
Free planFree trial
See plans- Provider
- Round One, Inc.
- Based in
- US
Official destinations
Choosing for a real workflow?
Make the tool work with the rest of your operation.
We map the workflow, connect existing systems, choose what to buy, and build what is missing.