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MARKET MONITOR / CATALOGUE Services 86,883 MCP listed 39,685 x402 47,214 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-26 · 3 sources
Task

Event

6 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.

Saylor Innovations Prediction Ma x402 REST usage

All markets in a Polymarket or Kalshi event - implied probabilities, bid/ask, volume and close time

saylorinnovations.com Other services 7 calls / 30d checked 2026-10-26
0.01 USDC per call per call

x402-factory x402 REST usage

Cheapest endpoint: liveness plus x402 payment pipeline check — Returns ok with the server time and whether this call was paid. Use it to verify your x402 client end to end before spending on data endpoints.

x402-factory.com Crypto & Payments 57 calls / 30d checked 2026-10-26
0.001 USDC per call per call

Contract event logs x402 REST usage

Fetch contract event logs (eth_getLogs) on Ethereum, Base, Polygon, Arbitrum, or Optimism - bounded so it always answers: block range capped at 2000 blocks (default: the last 100, auto-narrowed for busy contracts), at mo...

agent402.tools Infrastructure 8 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Function selector / event topic x402 REST usage

Resolve a 4-byte function selector or a 32-byte event topic hash to its known human-readable Solidity signatures, via the openchain.xyz signature database with 4byte.directory as fallback. Unknown selectors return {found...

agent402.tools Databases & Storage 8 calls / 30d checked 2026-10-26
0.002 USDC per call per call

Kalshi event detail x402 REST usage

Get full detail for a single Kalshi event with all its nested markets. Mutually-exclusive flag tells you whether the markets partition outcome space (e.g. one winner). Useful for: viewing all candidates in an election, a...

agent402.tools Geo & Maps 7 calls / 30d checked 2026-10-26
0.002 USDC per call per call

Tanod utilpeek x402 REST usage

utilpeek (Tanod) language detection: the language of a text (75 languages, offline). Use when an agent must identify which language a piece of text is written in.

tanod.dev Dev & Code 9 calls / 30d checked 2026-10-26
0.001 USDC per call per call

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