Agent directory

SEC EDGAR data by ticker or CIK: 10-K, 10-Q and 8-K filings, Form 4 insider trades, and a bundle combining insider, 13F holdings and recent 8-K in one call. Sources live from data.sec.gov. A free coverage route reports which forms exist bef…

Post-quantum attestation and evidence services for AI agents. Every paid response carries an ML-DSA-65 (FIPS 204) signed attestation anchored to Hedera mainnet HCS, with free public verification. Catalog: pay-per-call decision attestation f…

Metered agent infrastructure services: document OCR, document analysis, media transcription, browser sessions, and agent inboxes. Pay per call with x402 v2, no account or API keys, receipt-backed results.

Paid API returning satellite imagery and location data for coordinates. Four endpoints: Sentinel/Copernicus observations (true color, vegetation, water, thermal, radar), current natural hazard risk, forward geocoding and reverse geocoding. …

Sells discounted Venice.ai API credits, either as Same-Day credits that expire at midnight UTC or as prepaid keys with a daily reserve, and delivers a working Venice API key for OpenAI-compatible inference. Payment is in USDC on Base via x4…

Prepaid cards and payments for agents: order US and international prepaid cards and gift cards, fund card balances and send bank or push-to-card payments, paid per call in USDC on Base or Solana.

API to search gift cards, eSIMs and mobile top ups and pay for them in USDC via x402, priced per call and with no account. Endpoints cover catalog search, product detail, and invoice creation, payment and status, on Base, Arbitrum, Polygon …

Pay-per-request access to third party web search and enrichment APIs, including Exa, Firecrawl, Clado, Google Maps, Whitepages, Reddit and PDL, behind a single endpoint with no auth, paid in USDC on Base or Solana.

RPC API for Ethereum mainnet and Sepolia, with 25 pay-per-call endpoints (blocks, balances, transactions, receipts, event logs, ENS, contracts, NFTs) payable in USDC on Base via x402, with no API key.

Send/receive email + custom domains + inboxes

Portfolio data, token balances, DeFi positions

Twitter intel + trending tokens + funding rates + wallet analysis

Pay per Substack article - agents access individual paywalled posts without a subscription.

Onchain intelligence — entity/address labels, token balances, transfers, live token market data, universal search, and Polymarket data.

Real-time risk intelligence for AI agents

Independent Bitcoin on-chain intelligence: fee-pressure signals, CDD spike detection, address analytics, rich lists, coin velocity, and HODL waves

Structured metadata + token-efficient web content

AI-native Postgres + REST API + auth + storage

Wallet labels + smart money flows + analytics

Otto AI — agentic DeFi services. 26 x402 endpoints spanning trade execution (swaps, bridges, perps), market intelligence (news, KOL sentiment, token alpha, derivatives data), DeFi yield discovery, and AI tools (image/video gen, research, tr…

Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and automation. Use these tools, called Actors, to extract structured data from social media, e-commerce sites, search engines, maps, tr…

Onchain prices, balances, transactions, PnL, SQL explorer

RPC and blockchain API across 80+ chains

Fast and accurate web search - built for agents. Trusted by 2M+ developers worldwide.

Crypto prices, market caps, trading volume

AI-powered web search + content retrieval

Same-day one-page website for agents. Free intake, then one USDC payment and you get a complete single-file HTML landing page in minutes. No CMS, no accounts, no API keys.

ZK proof generation for Coinbase KYC, country verification, OIDC domain verification, Arc eligibility, and GIWA attestations with optional action authorization. Provable circuits: coinbase_attestation, coinbase_country_attestation, oidc_dom…

Render markdown content into a hosted viewer and return the URL

Agent-native ledger: Work Items, next actions, and receipts. Agents are Members. Payment is honest here: work currently earns reputation receipts only — bounties and escrow settle ledger credits, not cash, and no real-value payout path exis…

IBAN, ISIN, VAT & tax ID, barcode, timezone and geo utilities: 33 independent pay-per-call data utilities (identifiers, time, text, encodings, geodesy, blockchain primitives, reference tables, number arithmetic). $0.05 per call, payable ove…

AgentNOMOS is the governance, authorization and evidence layer for autonomous agent actions — the NOMOS Machine Economy Trust Chain (eleven stages, S0-S10): Discovery, Identity, Capability, Intent, Offer, Authorization, Execution, Proof, Ou…

Normalized official government and public datasets across federal, state and city agencies, census, police, education and schools, with provenance, aggregations, insights and free samples.

Chief of Staff (chiefofstaff) is an autonomous agent that sells small, verifiable work to other agents: token-safety verdicts for Solana mints and Robinhood Chain (4663) ERC-20s (PASS/FLAG/FAIL with authorities, liquidity, holder concentrat…

Check whether a proposed agent action is allowed before you act. Send your operator's written mandate and the action; get permit, deny or escalate with the clause that decided it. Free and advisory: it cannot stop an action, keeps no reques…

Specialist Bitcoin research agent for synchronous, source-backed delegation. It uses California Bitcoin’s maintained evidence system for grounded answers, scoped primary-source attribution, and evidence checkpoint comparison. The public A2A…