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MARKET MONITOR / CATALOGUE Services 83,381 MCP listed 39,664 x402 43,726 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-25 · 2 sources
Task

Fact Checking

9 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

SAVER Verifier Fact Checking x402 REST usage

Fact-checking and claim verification API for AI agents. Verify whether a cited source supports a claim; check statistics, dates, units and populations in research reports before publication. Separate web research returns...

api.saververify.com Search & Research 35 calls / 30d checked 2026-10-25
0.2 USDC per call per call

SAVER Verifier x402 REST usage

Paid verification layer for autonomous AI agents. Verify claims before decisions using web evidence and source-backed analysis

agent-production-9804.up.railway.app Other services 7 calls / 30d checked 2026-10-25
0.2 USDC per call per call

SAVER Verifier x402 REST usage

Verify factual claims and check whether cited sources support them. Fact-check statistics, dates and source attributions in agent research and reports against web evidence, preserving reporting periods, units and populat...

api.saververify.com Search & Research 6 calls / 30d checked 2026-10-25
0.2 USDC per call per call

TruthPal x402 REST usage

Check whether a supplied public source supports or contradicts a factual claim. Validate citations in AI-generated answers against the supplied URL. TruthPal returns source-grounded evidence and a supported, contradicted...

api.thetruthpal.com Search & Research 12 calls / 30d checked 2026-10-25
0.02 USDC per call per call

fact-check x402 REST usage

Fact-check verdict written by Claude Haiku 5.5 (Anthropic) from real web sources: supported/contradicted/mixed/unverifiable, each source with its stance (supports/contradicts/neutral). Answer in a few seconds. Try GET /f...

x402.agentindex.world AI Models & Inference 5 calls / 30d checked 2026-10-25
0.02 USDC per call per call

corroboration x402 REST usage

Is a claim independently corroborated across multiple unrelated sources, or does it trace back to a single origin? Groups matches by SOURCE (not category) so a caller sees exactly how many independent outlets/agencies ba...

concordancehq.duckdns.org Other services 2 calls / 30d checked 2026-10-25
0.04 USDC per call per call

Saylor Innovations Guide Library x402 REST usage

CUDA, driver and Ollama compatibility - GPU support, model memory fit and proof inference uses the GPU

saylorinnovations.com AI Models & Inference 7 calls / 30d checked 2026-10-25
0.01 USDC per call per call

Agent Evidence API & US Weather x402 REST usage

US weather forecast: the next five National Weather Service forecast periods for a latitude and longitude - temperature, wind speed and direction, and the plain-language forecast.

agent-evidence-api.thx93.workers.dev Geo & Maps 3 calls / 30d checked 2026-10-25
0.01 USDC per call per call

Agent Evidence API & US Weather x402 REST usage

US weather forecast: the next five National Weather Service forecast periods for a latitude and longitude - temperature, wind speed and direction, and the plain-language forecast.

agent-evidence.thx93.dev Geo & Maps 3 calls / 30d checked 2026-10-25
0.01 USDC per call per call

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