Integration
WhatsApp for ChatGPT and Codex
There are three ways to give OpenAI tools a WhatsApp number with Flow API, depending on what you use.
ChatGPT (connectors)
- 1Open Settings → Apps & Connectors → Advanced and turn on Developer mode.
- 2Create a connector, name it WhatsApp and paste your Flow API MCP link.
- 3Set authentication to none, since the token is in the link.
Codex
# ~/.codex/config.toml
[mcp_servers.whatsapp]
command = "npx"
args = ["-y", "mcp-remote", "https://flowapi.pro/mcp/{idInstance}/{apiTokenInstance}"]Custom GPT actions
In the GPT editor add an action and import https://flowapi.pro/openapi.json. Set the idInstance and apiTokenInstance values in the action instructions.
Questions
Is developer mode required?
Adding your own MCP server in ChatGPT currently requires developer mode. Custom GPT actions do not.
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