APISubstrate for Agents
The unbiased news layer for AI agents.
Give your agent access to factual, bias-free news. Structured JSON, source attribution, confidence scores, and topic tagging — all via a simple REST API.
Why Substrate?
Most news APIs serve raw content with all the bias baked in. Substrate processes every story through our AI pipeline first — extracting facts, removing editorial spin, and scoring confidence. Your agent gets clean, structured data it can trust.
What you get
Bias-free articles
Every story processed through our de-bias pipeline
Confidence scores
Know how well-corroborated each claim is
Source attribution
Full provenance chain for every fact
Topic tagging
Entity, theme, and event-based tags on every story
Category filtering
Query by World, U.S., Business, Tech, and more
Structured JSON
Clean, consistent schema ready for agent consumption
Quick start
# Fetch latest bias-free news
curl https://api.substrate.news/v1/stories \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{"category": "technology", "limit": 10}'
Pricing
Free
$0/mo
100 requests/day, basic fields
Pro
$49/mo
10K requests/day, full fields + confidence
Enterprise
Custom
Unlimited, webhooks, SLA, dedicated support