Sato Hub
x402 merchant

api.vextorium.com

Developer tools API on XRP Ledger, paid per request with x402.

  • Endpoints433
  • Price per requestn/a
  • Outside payersn/a
  • Answer 4023 of 5

Overview

as of 2026-10-17
Seller wallet
rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp
Chains
XRP Ledger
Hosts
api.vextorium.com
CategoriesCategoriesAssigned automatically from the seller’s own listing text. A filter hint, not a claim about the service.
Developer tools105Market data94Other87Onchain data36Web data23Identity22Security21Commerce16Media14AI models8Search5Agents2
First seen
2026-10-12 · last seen 2026-10-17

What we observed

Payments unknown, unknownAnswers 402, observedNot claimed
See the readings

Endpoints

EndpointsDescriptions are the seller's own words from the catalogue and are not checked by us. A listed price is a registration, not an observed charge.
573 registered
  • https://api.vextorium.com/v1/polymarket-crypto-odds

    Implied probability distribution of a crypto price from Polymarket ladder markets ("Will BTC be above X on date D?"): probability for each price level and date and the implied median. BTC, ETH, SOL, XRP.

    XRP LedgerMarket data

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/polymarket-markets

    Open Polymarket prediction markets: top by 24h volume or liquidity, or matching a search (elections, crypto, sports, economy...), with the implied probability of each outcome, volume, liquidity and close date.

    XRP LedgerMarket data

    n/a/ request

    2026-10-16

  • https://api.vextorium.com/v1/position-check

    Re-check a token you already hold against your entry: liquidity below 25% of entry, risk score drop, dangerous powers active (mint, freeze, pause...), honeypot pattern or inflated volume. Verdict CLEAN (LIMPIO), DEGRADE…

    XRP LedgerSecurity

    n/a/ request

    2026-10-16

  • https://api.vextorium.com/v1/postal-code

    Spanish postal code lookup (5 digits): municipality at the code's central point, province, region, INE code and coordinates. Official CartoCiudad (IGN) data, CC BY 4.0. Spain only.

    XRP LedgerOther

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/pre-trade-check

    Before buying or selling a token: risk verdict (contract powers, honeypot pattern, age), main pool liquidity, estimated price impact for your USD amount, recommended slippage and a decision (ok, caution, avoid). Base, E…

    XRP LedgerSecurity

    n/a/ request

    2026-10-16

  • https://api.vextorium.com/v1/proxy-detect

    Detect whether a contract is an upgradeable proxy (EIP-1967 transparent/UUPS, beacon, ZeppelinOS, EIP-1167 minimal) and return implementation, admin and beacon. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB …

    XRP LedgerOnchain data

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/public-holidays

    Official public holidays of 150+ countries and their regions (Spanish autonomous communities, US states, German Länder...) for a year, whether a given date is a holiday, and the next holiday.

    XRP LedgerOther

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/public-rpcs

    Keyless public RPC endpoints (HTTPS and WebSocket) of any EVM chain by name or chainId, with block explorers, native currency and website. Lets an agent connect to any chain.

    XRP LedgerOnchain data

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/pubmed-search

    Search biomedical literature indexed in PubMed, via OpenAlex (CC0): title, authors, journal, date, DOI, PMID, citation count and open-access link, newest first, with optional year filter. Metadata only (no abstracts).

    XRP LedgerSearch

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/pypi-package

    Python package profile from PyPI: latest version and date, summary, license, required Python, links, dependencies, number of versions and yanked flag.

    XRP LedgerDeveloper tools

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/qr-barcode-read

    Read the codes in an image URL: QR, Data Matrix, Aztec, PDF417, EAN-13, UPC, Code 128, Code 39... with format, content and position; flags URLs, crypto payment URIs (bitcoin:, ethereum:, solana:) and wifi credentials.

    XRP LedgerMedia

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/qr-generate

    Generate a QR code as SVG or PNG (base64 and data URI) for any text, URL, payment link, Wi-Fi or vCard, with error-correction level, scale and colors.

    XRP LedgerMedia

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/random

    Randomness for agents: flip coins, roll dice, draw numbers in a range, pick from a list or shuffle it. Cryptographically secure by default; with verifiable=true it is derived from the latest public NIST Randomness Beaco…

    XRP LedgerDeveloper tools

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/real-effective-fx

    Real effective exchange rate index (2010 = 100) from the World Bank: rises mean the currency gets dearer and the country loses competitiveness. Ranking with the latest annual change, or one country's yearly series.

    XRP LedgerMarket data

    n/a/ request

    2026-10-16

  • https://api.vextorium.com/v1/real-interest-rates

    Real interest rate of about 150 economies from the World Bank (bank lending rate adjusted by the GDP deflator), latest year available, ranked. Annual data.

    XRP LedgerMarket data

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/regex-test

    Test a regular expression against a text: every match with position, groups and named groups, plus the result of a substitution if you pass a replacement. Flags i, m, s, x. Time-limited, safe against catastrophic backtr…

    XRP LedgerDeveloper tools

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/revoke-approval

    Build the transaction that revokes a contract's permission over an ERC-20 token (approve(spender, 0)): target and calldata ready to sign in your wallet. Nothing is sent.

    XRP LedgerOnchain data

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/robots-txt

    Parse a site's robots.txt: whether a user-agent may crawl a path, which AI crawlers (GPTBot, ClaudeBot, Google-Extended, PerplexityBot, CCBot...) are blocked, and declared sitemaps. Check before your agent scrapes.

    XRP LedgerWeb data

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/roman-numerals

    Convert Arabic numbers to Roman numerals (1-3999) and Roman to Arabic, validating the canonical form (MCMXCIV) and suggesting the correct one.

    XRP LedgerDeveloper tools

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/rpc

    Read-only JSON-RPC call to a public node, paid per call, no API key: 12 EVM chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche, Gnosis, Linea, Scroll, Sonic, Unichain), Solana and the XRP Ledger. Send c…

    XRP LedgerOnchain data

    n/a/ request

    2026-10-12

  • https://api.vextorium.com/v1/sanctions-screening

    Screen a person, company, vessel or entity against the EU consolidated financial sanctions list and the US OFAC SDN list, with fuzzy matching of names and aliases, program, type, countries and reference. For KYC/AML bef…

    XRP LedgerSecurity

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/satellite-passes

    Next passes of a satellite over a location (ISS by default, any NORAD id): rise, culmination and set times in UTC, max elevation, direction and whether it will be sunlit under a dark sky (visible to the naked eye). Orbi…

    XRP LedgerOther

    n/a/ request

    2026-10-16

  • https://api.vextorium.com/v1/savings-plan

    Savings or investment plan with monthly contributions and compound interest: final value, total contributed, interest earned, value in today's money after inflation, yearly evolution and the monthly amount needed to rea…

    XRP LedgerOther

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/scholarly-search

    Search scholarly literature across all fields in OpenAlex (250M+ works): title, authors, institutions, year, journal, citation count, DOI and open-access link; by relevance, citations or date.

    XRP LedgerSearch

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/sec-13d-latest

    Latest disclosures of stakes above 5% filed with the SEC: Schedule 13D (activist investors) or 13G (passive), with subject company, filer, date and link, including amendments.

    XRP LedgerOther

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/sec-8k-latest

    Most recent 8-K current reports filed with the SEC (material events of US companies) with their items: earnings (2.02), material agreements (1.01), officer changes (5.02), acquisitions (2.01), bankruptcy (1.03)... Filte…

    XRP LedgerMarket data

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/sec-company-profile

    Official profile of a US listed company from the SEC: name, CIK, industry (SIC), state of incorporation, fiscal year end, address, phone, tickers and exchanges, former names and latest filing.

    XRP LedgerIdentity

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/sec-company-ranking

    Rank US listed companies by a figure from their SEC filings (revenue, net income, assets, cash, long-term debt, R&D, dividends paid or buybacks) for a year (CY2025) or quarter (CY2026Q1), with ticker and exchange.

    XRP LedgerMarket data

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/sec-insiders-latest

    Latest SEC Form 4 insider filings across the whole US market: issuer company, who filed (directors, officers, 10% owners), date and link. Filter by company or person. For one company's trade details use insiders-empresa.

    XRP LedgerMarket data

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/security-headers

    Website security headers audit: HTTPS, HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy and cookie flags, with a score.

    XRP LedgerDeveloper tools

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/semver-compare

    Sort Semantic Versioning 2.0 versions (pre-releases included), give highest and lowest, the bump type between two, and which satisfy an npm-style range (^1.2.0, ~1.2, >=1.0 <2.0, 1.x || 2.x) plus the best match.

    XRP LedgerSearch

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/seo-audit

    SEO and sharing metadata of a page: title and description with length, canonical, robots, language, hreflang, Open Graph, Twitter Card, JSON-LD types, favicon, H1/H2, plus warnings (missing tags, noindex, multiple H1).

    XRP LedgerWeb data

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/sitemap-urls

    List the URLs of a site's XML sitemap (found via robots.txt if needed, following sitemap indexes and .gz files) with last-modified dates, optionally filtered by text. Discover a site's pages for crawling or monitoring.

    XRP LedgerDeveloper tools

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/siwe-verify

    Verify a Sign-In with Ethereum (EIP-4361) login: parses domain, address, chain, nonce and dates, checks the signature and expiry, and optionally the expected domain and nonce. Authenticate users or agents by wallet.

    XRP LedgerOnchain data

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/sol-domain-resolve

    Resolve a Solana Name Service .sol domain to its owner wallet, read directly on-chain (NFT-tokenized domains resolve to the NFT holder).

    XRP LedgerOnchain data

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/sol-domain-reverse

    Primary (favourite) .sol domain of a Solana wallet, read on-chain and checked that the wallet still owns it.

    XRP LedgerOnchain data

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/solana-account

    Solana account inspector: whether it exists, type (wallet, token account, mint, program, program data), SOL balance, owner program and data size.

    XRP LedgerOnchain data

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/solana-address-activity

    Recent activity of a Solana address: latest transaction signatures with slot, time, success or failure and memo (up to 25).

    XRP LedgerOnchain data

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/solana-network

    Solana network status: current epoch and progress with estimated end time, slot and block height, recent TPS (total and non-vote), slot time, inflation rate, total and circulating SOL supply and node version.

    XRP LedgerOnchain data

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/solana-priority-fees

    Solana priority fee estimator: recent per-slot priority fees (min, median, p75, p90, max micro-lamports per CU) and total cost in SOL for a 200k-CU transaction.

    XRP LedgerOther

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/solana-signature-verify

    Verify an Ed25519 Solana signature (Phantom/Solflare signMessage) for a message and public key; signature in base58, base64 or hex. Local computation.

    XRP LedgerDeveloper tools

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/solana-token-info

    Solana SPL token profile and risk signals: supply, decimals, mint and freeze authorities (can the issuer mint more or freeze accounts?) and Token-2022 extensions.

    XRP LedgerSecurity

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/solana-token-price

    USD price of one or more Solana tokens by mint address (up to 20 at once): price, 24h change and on-chain liquidity, derived from real liquidity via Jupiter, Solana's leading aggregator. Live open data.

    XRP LedgerOnchain data

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/solana-tx-status

    Solana transaction status by signature: confirmed / failed / processing, slot, time, fee in SOL, signers, programs invoked and token balance changes.

    XRP LedgerOnchain data

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/solana-wallet

    Solana wallet balances: SOL plus every SPL and Token-2022 token held (mint, amount, decimals), with USD value for USDC/USDT.

    XRP LedgerOnchain data

    n/a/ request

    2026-10-16

  • https://api.vextorium.com/v1/space-weather

    Space weather now from NOAA SWPC: geomagnetic Kp index (recent hours and max), storm level (G0-G5), latest solar X-ray flares, solar wind speed and active alerts. Affects satellites, GPS and power grids.

    XRP LedgerOther

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/spain-bank-account-validate

    Validate a Spanish bank account number (20-digit CCC) with both check digits, identify the bank and compute its IBAN; also breaks down a Spanish IBAN. Computed locally; nothing stored.

    XRP LedgerDeveloper tools

    n/a/ request

    2026-10-17

  • https://api.vextorium.com/v1/spain-boe-item

    Official data of any Spanish BOE item (rank, department, dates, subjects, repeal status) plus a clear AI summary in Spanish from a local model: what it is, who it affects, what it establishes and its deadlines.

    XRP LedgerOther

    n/a/ request

    2026-10-15

  • https://api.vextorium.com/v1/spain-boe-summary

    Spanish Official State Gazette (BOE) daily summary: every item of a given day with section, department and official links, filterable by section (e.g. civil service exams 'oposiciones', appointments, public procurement)…

    XRP LedgerOther

    n/a/ request

    2026-10-16

  • https://api.vextorium.com/v1/spain-business-days

    Spanish business-day calculator: count business days between dates or add N business days, using Spain's national public holidays.

    XRP LedgerDeveloper tools

    n/a/ request

    2026-10-17

Evidence

as of 2026-10-17

Answers HTTP 402

Answers HTTP 402Method: one unpaid request per listed endpoint. A 402 with a payment payload a client could parse counts. Nothing is paid.

3 of 5

3 of 5 probed endpoints answered HTTP 402 with a parseable payment payload

checked 2026-10-17

x402-style payments, last 7 days (Base)

x402-style paymentsMethod: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's exact scheme uses. Some non-x402 gasless sends use it too.

unknown

unknown. not measured on this chain yet

no reading date

By chain

ChainSeller walletEndpointsAnswers 402x402-style payments
XRP LedgerrEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp4333 of 5 probed endpoints answered HTTP 402 with a parseable payment payload
2026-10-17
unknown. not measured on this chain yet

One seller wallet, each chain read on its own. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.

Pricing

Lowest
n/a
per request, as registeredas of
Median
n/a
per request, as registeredas of
Highest
n/a
per request, as registeredas of

Unknown. Prices are decoded only for USDC on Base and Solana.

Claim this merchant

Sign a message from the payout address rEac5rTE…E2pNCp to claim this page. Claiming proves control of the payout key. It says nothing about the service behind the address, and it does not change how this merchant is ranked. No email, no account: the signature is the whole credential, and signing a message costs no gas and moves nothing.

The payment ledger covers Base only for now, so it is not offered for XRP Ledger.

Data CC-BY-4.0, attribution: data by satohub.ai. Data: x402-list.com (CC BY 4.0). Data as of 2026-10-17. Appearing here is not an endorsement. Check an endpoint with the doctor.