# WhatSync (whatsync.app)

Connects WhatsApp chats, personal or business API, to ChatGPT, Claude and other AI apps so they can search, summarise and draft replies.

- Atlas card: https://inite.ai/en/atlas/whatsync.app
- Site: https://whatsync.app
- For: People and small teams who want their WhatsApp chats available in ChatGPT, Claude or other AI apps
- Categories: dev
- Use 0/100 · alive 100/100

## Used for

- Log shared costs from a WhatsApp group into a spreadsheet
- List customers who are still waiting for a reply
- Match supplier invoices and receipts from chats to bank statements

## Price

- from 15 USD/month, no free plan (read 2026-10-21 on https://whatsync.app/pricing)

## For developers

- OpenAPI: https://whatsync.app/openapi.json (88 paths)
- API docs: https://whatsync.app/developers
- MCP server: app.whatsync/whatsapp (namespace; auth on 2026-10-21)
- MCP server: app.whatsync/whatsapp-business (namespace; auth on 2026-10-21)
- Read 2026-10-21

## MCP server, measured daily

Server: https://whatsync.app/api/mcp, checked every day since 2026-10-21 (8 checks).

- Answered: 100% of daily checks
- Median first answer: 723 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: gdpr
- Training on your data: yes (https://whatsync.app/trust)
- Read 2026-10-21

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Source: INITE Atlas, https://inite.ai/en/atlas/whatsync.app. JSON: https://inite.ai/api/atlas/whatsync.app. MCP: https://inite.ai/api/mcp (atlas_lookup).