{"endpoint":"POST /v1/ai/fact-check","description":"Source-bounded fact-check: verify a claim against provided text.","pricing":{"basic":"$0.01 USDC","deep":"$0.05 USDC (POST /v2/x402/ai/fact-check/deep)"},"usage":{"method":"POST","headers":{"Content-Type":"application/json"},"body":{"claim":"The statement to verify (10-2000 chars)","source":"Source text to check against (50-15000 chars)"}},"example_curl":"curl -X POST https://api.asterpay.io/v1/ai/fact-check -H \"Content-Type: application/json\" -d '{\"claim\":\"Apple revenue was $119.6B\",\"source\":\"Apple reported $119.6 billion in Q1 revenue.\"}'","verdicts":["supported","contradicted","unverifiable"],"docs":"https://x402.asterpay.io/docs"}