Send a message

Send a message

Sends a LinkedIn message into an existing conversation from one of the workspace's LinkedIn sender accounts.

Note: Sends a real LinkedIn message: confirm the text first. It takes a conversation id and the sender account id that owns the conversation; it replies to existing conversations rather than starting new ones.

Set up

Use the first option your agent supports.

API (official)

• Base URL: https://api.heyreach.io
• Endpoint: POST /api/public/inbox/SendMessage
• Auth: send the header X-API-KEY: $HEYREACH_API_KEY
• Docs: https://documenter.getpostman.com/view/23808049/2sA2xb5F75

Note: Create the key in the HeyReach app under Settings, API keys. Every request counts toward one workspace limit of 300 requests per minute, and read endpoints use POST with a JSON body of filters.

Before anything else, confirm access with the cheapest read-only call, like a list or a search. Never send or change anything to test access.

Rules

• Ask the user before anything that sends messages, costs money, or changes data, and say how many records it touches. One approval covers a batch the user has seen.
• Never print API keys.