Developer Portal & API Index

signalX Developer Resources & API Documentation

Welcome to the official developer hub for signalX. Access our OpenAPI 3.0 specification, agent instructions file (llms.txt), content negotiation endpoints, and extension integration guides.

llms.txt Guide

Structured agent instructions file detailing when to use signalX, product use cases, and site structure.

View /llms.txt

OpenAPI 3.0 Spec

Machine-readable JSON schema defining available API endpoints, parameters, and response types.

View /openapi.json

XML Sitemap

Complete XML index of all canonical pages, tools, blog posts, and resources published on signalX.

View /sitemap.xml

1. Platform Overview & Architecture

signalX (https://www.signalx.cc) is an AI-enhanced extension platform that assists creators, founders, and social media managers on X (Twitter). The suite consists of:

  • Chrome Browser Extension: Operates directly within x.com to provide real-time AI reply generation, customized tone matching, feed filtering, and ad suppression.
  • Free Web Tools: Standalone browser applications including the Milestone Celebration Generator, Fake Tweet Maker, and Tweet Preview Tools.
  • Agent API Layer: Machine-readable content negotiation and agent guidance protocols.

2. Markdown Content Negotiation (Accept: text/markdown)

signalX implements the acceptmarkdown.com protocol. AI agents can request any public URL on signalX with the HTTP header Accept: text/markdown to receive a clean, structured Markdown payload.

curl -H "Accept: text/markdown" https://www.signalx.cc/
curl -H "Accept: text/markdown" https://www.signalx.cc/docs

All responses served via content negotiation explicitly set Content-Type: text/markdown; charset=utf-8 and include Vary: Accept, Accept-Encoding headers to prevent CDN caching collision between HTML and Markdown representations.

3. Chrome Extension Authentication & Integration

The signalX Chrome Extension communicates with our authentication server at /extension-auth. Authentication uses OAuth token handshakes via Firebase Auth and Supabase infrastructure.

All client-side prompt text and AI generation contexts are handled transiently in-memory and are never stored permanently on our backend servers.

4. Developer Support & Inquiries

If you are building custom AI agents, browser extensions, or require custom API integrations with signalX, please reach out to our team:

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