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I'm going to integrate the WppFy WhatsApp API into this project.
Before writing any code, read the documentation at https://docs.wppfy.com/llms.txt and open the .md pages for the endpoints you need.

Rules:
- Base URL: https://api.wppfy.com
- Authentication: `token` header with the instance token, read from an environment variable (WPPFY_TOKEN), never hardcoded.
- Follow the documented payloads and responses exactly; don't invent fields or endpoints.
- Handle HTTP errors (401, 404, 429, 500) and the instance state (disconnected, connecting, connected).

Task: [describe what you want to build here]

Context: integration with the WppFy WhatsApp API.
Documentation (LLM index): https://docs.wppfy.com/llms.txt
Full documentation: https://docs.wppfy.com/llms-full.txt

Read the documentation before implementing. Use the Base URL https://api.wppfy.com and send the `token` header with the instance token from the WPPFY_TOKEN environment variable. Use only documented endpoints and fields, handle HTTP errors, and write tests for the main calls.

Task: [describe what you want to build here]

@https://docs.wppfy.com/llms.txt

Use the WppFy documentation above as the reference for integrating the WhatsApp API into this project.
- Base URL: https://api.wppfy.com
- Authentication header: `token` (instance token, via the WPPFY_TOKEN environment variable)
- Check the .md pages listed in llms.txt for the exact payloads of each endpoint.
- Don't invent fields; handle errors and the instance connection state.

Task: [describe what you want to build here]

Create an integration with the WppFy WhatsApp API.
Documentation: https://docs.wppfy.com/llms.txt (read it before starting).

- Base URL: https://api.wppfy.com
- Store the instance token in Replit Secrets as WPPFY_TOKEN and send it in the `token` header.
- To receive messages, expose a webhook route (POST) and log the events received.
- Use only endpoints and fields that are in the documentation.

Task: [describe what you want to build here]

I want to add sending and receiving WhatsApp messages to my app using the WppFy API.
Read the documentation at https://docs.wppfy.com/llms.txt before implementing.

- Base URL: https://api.wppfy.com
- The instance token is secret: store it as a secret (WPPFY_TOKEN) and make the calls from the backend (Edge Function), never directly from the browser.
- Send the token in the `token` header.
- Follow the payloads exactly as documented.

Task: [describe what you want to build here]

Integrate the WppFy WhatsApp API into this app.
Reference documentation: https://docs.wppfy.com/llms.txt

- Base URL: https://api.wppfy.com
- `token` header with the instance token, read from an environment variable (WPPFY_TOKEN) in a server endpoint; don't expose the token on the front end.
- Use only documented endpoints and fields and handle the errors returned by the API.

Task: [describe what you want to build here]

Build the integration with the WppFy WhatsApp API.
Documentation: https://docs.wppfy.com/llms.txt

- Base URL: https://api.wppfy.com
- Make the calls server-side, with the instance token in an environment variable (WPPFY_TOKEN) sent in the `token` header.
- Never expose the token on the client.
- Follow the documented payloads without inventing fields.

Task: [describe what you want to build here]