Send and receive iMessage and SMS
Sendblue is a Communicationintegration for Sim, the AI workspace where teams build and deploy AI agents. Sim's Sendblue integration provides 5 Sendblue tools and 2 real-time triggers that AI agents can use inside Sim's visual workflow builder. Sendblue connects with an API key. Free to start at sim.ai.
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Send iMessages and SMS to individuals or groups, check whether a number supports iMessage, show typing indicators, and look up message status with Sendblue. Trigger workflows on inbound messages and delivery status updates.
Sign up at sim.ai in seconds. No credit card required. Your workspace is ready immediately.
Open your workspace, drag a Sendblue block onto the workflow builder, and paste in your Sendblue API key.
Pick the tool you need, wire in an AI agent for reasoning or data transformation, and run. Your Sendblue automation is live.
Connect a Sendblue webhook to Sim and your agent runs the instant an event happens, no polling, no delay.
Sendblue Message Received
Trigger when an inbound iMessage or SMS is received in Sendblue
Sendblue Message Status Updated
Trigger when an outbound message status changes (SENT, DELIVERED, ERROR) in Sendblue
Ready-to-use templates featuring Sendblue. Click any to build it instantly.
5 Sendblue tools available in Sim
Send Message
Send an iMessage or SMS to a single recipient via Sendblue.
Send Group Message
Send an iMessage or SMS to a group of recipients via Sendblue.
Evaluate Service
Check whether a phone number can receive iMessage or only SMS.
Send Typing Indicator
Display a typing indicator to a recipient (not supported in group chats).
Get Message
Retrieve a single message and its current status by message handle/ID.
Sim's Sendblue integration adds 5 Sendblue tools and 2 real-time triggers to the AI agents you build in Sim's visual workflow builder — no code required. Send and receive iMessage and SMS. Teams often pair Sendblue with Linq and Microsoft Teams in the same agent.

Build your first AI agent with Sendblue in minutes. Connect to every tool your team uses. Free to start, no credit card required.