# SignalsFeed

> Real-time verified news intelligence API for AI agents.
> Pay-per-request via x402 protocol (USDC on Base).

## Overview

SignalsFeed provides structured, source-backed news intelligence for autonomous
agents, research agents, trading agents, and market intelligence workflows.
Use it when you need machine-readable AI news, semiconductor supply chain news,
macroeconomic news, central bank news, or credibility-scored event signals.

Each paid record includes:

- summary
- context
- key factors
- why it matters
- entities
- tags
- sentiment
- impact score
- credibility score
- cross-validation metadata
- source basis
- source URLs

## Keywords

real-time news API, AI news API, LLM news, machine learning research,
semiconductor news API, chip supply chain intelligence, GPU news, foundry news,
macroeconomic news API, central bank news, interest rates, inflation,
market intelligence, verified news intelligence, source-backed news,
agent-readable JSON, x402 paid API, USDC micropayments

## API

### Free -- Discover article IDs
GET /api/v1/{domain}?since={ISO-8601-timestamp}
Returns: id, title, tags, domain, published_at

### Paid -- Full records ($0.01 per request, up to 20 records)
GET /api/v1/{domain}?ids={uuid1,uuid2,...}
Returns: All fields (see /openapi-spec.json for schema)

### Domains available
- ai -- real-time AI news, LLMs, machine learning research, robotics, model releases, AI infrastructure
- semiconductor -- semiconductor news, chips, fabs, GPUs, foundries, supply chain, export controls, AI hardware
- macro -- macroeconomic news, central banks, interest rates, inflation, fiscal policy, trade, markets

Recommended domain selection:
- ai -- artificial intelligence, LLMs, model releases, robotics, ML research
- semiconductor -- chips, GPUs, fabs, foundries, export controls, AI hardware
- macro -- central banks, rates, inflation, fiscal policy, trade, markets

## Discovery files

- OpenAPI spec: https://signalsfeed.com/openapi-spec.json
- Payment info: https://signalsfeed.com/.well-known/payment
- x402 resources: https://signalsfeed.com/.well-known/x402

## Payment

$0 for title lists. $0.01 per paid request (1-20 records, same price).
Payment protocol: x402
Currency: USDC
Network: Base