Developer API

Detect misinformation and query SIGNAL's verified claim database. Authenticate every request with Authorization: Bearer <key> or the x-api-key header.

OpenAPI spec (JSON) ↗Import into Swagger UI, Postman, or your codegen of choice.

Endpoints

POST/api/v1/analyze

Extract falsifiable claims from text or a URL, matched against known debunks.

curl -X POST https://tellwell.news/api/v1/analyze \
  -H "Authorization: Bearer sig_..." \
  -H "Content-Type: application/json" \
  -d '{"text":"5G towers spread COVID-19."}'

GET/api/v1/claims

List verified/partially-false claims. Filter by category, since (ISO 8601), limit.

curl "https://tellwell.news/api/v1/claims?category=HEALTH&limit=20" \
  -H "x-api-key: sig_..."

GET/api/v1/trending

The 10 highest-spread misinformation claims right now.

curl https://tellwell.news/api/v1/trending \
  -H "Authorization: Bearer sig_..."

Rate limits

Tier	Requests / hour
FREE	100
PRO	1,000
ENTERPRISE	10,000

Self-serve keys are FREE tier. Need higher limits? Contact us about PRO and ENTERPRISE.

Endpoints

Rate limits

API keys