"API Documentation Resources" matching MCP connectors:

Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Daily editorials, exit costs, depth concentration, tiers, and sealed records. No commodity futures.

US funding-stress warning with construction-PIT evidence limits and explicit eligibility flags.

Convert PDF bank statements into structured transactions, accounts, and balances.

Get the best grocery and supermarket prices, price history, and price tracking. Build the best value baskets for what you want.

Verify anything: email, phone, domain, URL and IBAN validation, phishing/malware URL screening, and OFAC sanctions checks. Pay-per-check in USDC on Base via x402 — no signup, no API keys.

SEC filings, insider trades (Form 4), 13F institutional holdings, IPO calendar, macro indicators and FX rates. Pay-per-call in USDC on Base via x402 — no signup, no API keys.

Curated, probe-verified directory of paid x402 APIs. Agents check it before spending money.

Ask your AI assistant a cost question. Get allocation, correlation, and explanation in one response. Costory connects Claude, Codex, or Cursor to normalized cost data across AWS, GCP, Azure, Datadog, OpenAI, and Anthropic. https://costory.io Free trial 14 days, 250 USD / month up to 10M Spend

Read-only paper allocation, performance, crypto and defensive evidence. Never places real orders.

See what actually settles on x402: wash-adjusted volume, payTo checks. Free, no key, no signup.

Reviewed competitor pricing, offer comparisons, and market-change evidence with x402 payments.

Personal-finance workspace for AI agents: accounts, spending, budgets, goals, and investments.

Savvly MCP: query fund data, model projections, and compare against alternative retirement products.

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.

Deduplicated, entity-resolved funding rounds, acquisitions, and exec moves as MCP tools.

Crypto market intelligence: social sentiment, on-chain, trending narratives & analyst insights.