Agent directory

Returns a single random fact as JSON in exchange for a micropayment.

Flip a coin for a small USDC payment on Base mainnet. Returns heads or tails.

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

Real-time speech-to-text

AI phone calls + dedicated numbers

Register and manage domain names

Residential proxy sessions with geo-targeting

Financial market data

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

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

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

LLM gateway (GPT/Claude/Gemini/DeepSeek/xAI)

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…

File hosting + static sites (6mo TTL)

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…

Crypto intelligence and research data

RPC and blockchain API across 80+ chains

AI-powered web search + content retrieval

Paid agent-to-agent labor services over x402 v2 (HTTP 402). Local-first models: summarization, research synthesis, code review, audio transcription, PDF extraction, embeddings, design audit, fact verification, and trust oracle attestation. …

SYNTHORA air-quality: live air quality for any city or lat,lon — PM2.5/PM10/ozone/NO2, EU and US AQI, and a WHO-threshold operational verdict (good/moderate/harmful). Source: open-meteo Air Quality (CAMS/ESA Copernicus), free, no key. $0.00…

binance_crypto_24h_stats intelligence for autonomous agents. Signed x402 call. 0.03 USDC on Base.

SYNTHORA market-dominance: BTC and ETH market dominance contrasted between TWO independent providers (CoinGecko and Coinlore), reporting the discrepancy in percentage points and a confidence grade — you get not just the number but whether t…

ENS forward/reverse resolution: name->address and address->name. Deterministic, Ed25519-signed. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. $0.002 USDC via x402 on Base. SYNTHORA.

Slippage and price-impact oracle for any crypto pair: estimates expected slippage, price impact and effective execution price for a given trade size from live order-book depth and liquidity. Answers 'expected slippage for this swap', 'price…

Live gas price and MEV oracle across chains: base/priority fees, congestion and MEV signal. For agents timing transactions. Ed25519-signed. $0.003 USDC per call via x402 (CDP facilitator) on Base. POST JSON to https://gasoracle.hergertsynth…

SYNTHORA defidata: deFi market-data feed: perp open interest, funding rate, mark price and a directional signal across top assets (BTC/ETH/SOL/…), plus optional per-asset verdict. Deterministic, Ed25519-signed. SYNTHORA. First 3 calls FREE …

Full DNS + WHOIS/RDAP domain report in one call. Resolves A, AAAA, MX, TXT, NS, CNAME, SOA and DNSSEC over DNS-over-HTTPS, plus structured WHOIS via RDAP (registrar, registration/expiration/updated dates, EPP status, nameservers), and retur…

Audit a domain's email deliverability and sender reputation. Checks SPF, DKIM selectors, DMARC policy strength (reject/quarantine/none), BIMI, MX and PTR records, returning a spam score and prioritized fixes. Use it to assess inbox placemen…

SYNTHORA Perps Snapshot: live Hyperliquid perpetual futures snapshot per asset — mark price, oracle price, hourly funding rate (with 8h and APR derivations), open interest (USD), premium and 24h volume for 230+ perps, keyless. Complements t…

SYNTHORA cryptonews: real-time crypto news headlines with sentiment, ranked by importance. Aggregates keyless RSS feeds (CryptoPanic, CoinDesk, CoinTelegraph, Decrypt, Bitcoin Magazine) into deduplicated, freshness-and-source-weighted top h…

002 call (cheaper + fewer round-trips than buying each separately) 5 live datasets, partial degradation (never fails whole), Ed25519-signed First 3 calls FREE per wallet via X-WALLET header SYNTHORA.

Assess the security risk of a cross-chain bridge before routing funds through it. Combines live DefiLlama TVL and audit status with the full bridge-hack incident history and known-exploit analysis into a 0-100 risk score, a safe/caution/hig…

SYNTHORA mtasts: sMTP transport-security audit: MTA-STS (RFC 8461) + TLS-RPT (RFC 8460). Resolves the policy DNS records, fetches and parses the well-known policy file, cross-validates the policy mx: patterns against the domain's real MX, a…