Look up a book by ISBN (10 or 13 digit): title, subtitle, authors, publishers, publish date, page count, subjects, and cover image. Validates the ISBN check digit first (rejecting typos unpaid) and returns both ISBN forms. Data from Open Library; attributed in every response. POST a JSON body like: {"isbn":"9780140328721"}

Current gas price and EIP-1559 fee suggestions (base fee, priority tip, suggested max fee) on Ethereum, Base, Arbitrum, Optimism, Polygon, or BNB Chain, in gwei. Public JSON-RPC, no API keys. POST a JSON body like: {"chain":"ethereum"}

Convert a raster image (PNG, JPEG, or WebP) into clean, editable, self-verified SVG vector art. Pay per conversion in USDC on Base via x402 - no API key, no subscription. Send JSON with imageBase64 or imageUrl; tune with mode (auto/binary/color/pixel), detail (high/normal/clean/poster), transparent or solid background, and outline flags. Returns the SVG plus a quality report (paths, similarity score).

Validate International Bank Account Numbers: ISO 13616 country/length check plus the ISO 7064 mod-97 checksum. Returns the country, check digits, and the BBAN. Single IBAN or a batch of up to 50. Validates structure and checksum, not that the account is open. POST a JSON body like: {"iban":"DE89 3704 0044 0532 0130 00"}

Searches recent public posts on X, excluding retweets by default and returning author profile fields and public metrics. Same read-only X API v2 backend as x-search. Use it as a Twitter search API or X search API for recent public post search.

Provider cost + 6%, itemized. Answer a question strictly from the context you provide — grounded, no hallucinated sources. ≈Opus-4.8 accuracy at ~1–5% of its cost (benchmark: relaystation.ai/llm-validation). 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Resolve DNS records over DNS-over-HTTPS: A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, SRV, PTR and more. Returns parsed answers with TTLs and the response status. Built for agents checking mail routing, domain config, or propagation. POST a JSON body like: {"name":"example.com","type":"MX"}

IPv4 and IPv6 address inspection and subnet math. Inspect an address (version, normalized form, classification: private/loopback/link-local/multicast/global, integer), compute a CIDR block (network, netmask, broadcast, host range, counts), or test whether an address falls inside a range. Deterministic, no lookups. POST a JSON body like: {"cidr":"192.168.1.0/24"}

Reveal a person's verified email via Prospeo. Pass `person_id` (from search-people) or `linkedin_url`. Returns the unmasked verified email. 1 credit; free if the record was enriched within 90 days.

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). FOMC rate scenario probabilities — cut, hike, and hold paths for the next three meetings from current FRED fed funds data. Source: FRED. Scenario planning tool, not futures-implied market odds

Full profile: bio, counts, banner, pinned tweet and a photo rail. Example: GET /api/jack/profile

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). SEC EDGAR financial statements for US public companies — income statement, balance sheet, and key ratios from filed reports. Required param: ticker or CIK. Source: SEC EDGAR synced filings

VeriDoc verifies document authenticity on Ethereum Sepolia. Send a keccak-256 hash of a file; get back whether that exact document was registered on-chain and when. Privacy-first — the file is never uploaded, only the hash. Use for certificates, contracts, transcripts, or any registered document. POST JSON {"hash":"0x…"}. Speaks x402 — $0.05 USDC/call on Base, no account or API key needed.

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Use when a macro agent or portfolio manager needs current commodity price levels and inflation pressure signal. Returns WTI crude, natural gas, gold, copper, wheat, soybeans with weekly and monthly changes. Example: live WTI and grain levels with inflation-pressure label. Source: EIA + FRED daily

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Use when a CFO, auditor, or analyst needs to assess financial reporting risk before M&A or investment. Returns accruals ratio, cash conversion, and revenue recognition risk by sector. Source: SEC EDGAR + Sloan accruals model

Scrape Creators · TikTok — Profile

AI chat completions - 80+ models (GPT-4o, Claude, Gemini, DeepSeek), pay per token with USDC

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Use when a portfolio manager or macro agent needs cross-market equity context. Returns S&P 500, Nasdaq, Russell 2000, Stoxx 600, DAX, FTSE, Nikkei, Hang Seng, MSCI EM with YTD returns and risk signal. Source: FRED

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Treasury yield curve benchmark for traders and fixed income PMs — returns 1M-30Y yields, 2s10s and 2s30s spreads, inversion signal, and SOFR. Example: live 2s10s spread with curve-shape label. Source: FRED daily

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Live FX rate benchmark for treasury, pricing, and international exposure — returns USD/EUR, JPY, GBP, CNY, CAD, MXN, DXY broad TWI, carry spread, and weekly change. Source: FRED daily