MessengerX.io vs TensorFeed

MessengerX.io (built on the Machaao platform) lets developers register a free account through its Dev Portal, then run a webhook-based chatbot server that receives encrypted incoming message payloads and sends back rich replies — quick-reply buttons, media carousels, and more. The consumer-facing site has repositioned around monetizable AI companion characters rather than the general-purpose "ML chat apps" framing of the original docs, but the developer portal (portal.messengerx.io) and the webhook API docs (messengerx.rtfd.io) are both still live and reachable. Building a bot is free; monetization comes from revenue-sharing on the consumer AI-companion product.

TensorFeed is a free, no-auth JSON API for AI-industry data: real-time model pricing, provider status/outage monitoring (polled every 2 minutes), AI news, and agent-activity feeds, plus an in-browser API playground for every free endpoint. It also publishes an x402-based Premium Agent API (USDC on Base, no accounts or keys) for ranked model-routing recommendations, and self-certifies under its own "Agent Fair-Trade" standard with Ed25519-signed receipts and code-enforced no-charge on failed calls. Live-checked in July 2026: the site, its free endpoints, and CORS support are all confirmed working.