api.vextorium.com

• https://api.vextorium.com/v1/fed-rates

  US dollar reference rates from the Federal Reserve Bank of New York: effective fed funds rate (EFFR) with the Fed's target range, SOFR with 30/90/180-day averages, OBFR, TGCR and BGCR, with volumes and percentiles.

  SolanaMarket data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/format-convert

  Convert data between JSON, CSV (auto-detects ; , tab |), YAML, XML and JSON Lines. E.g. a spreadsheet CSV to JSON for an agent, or JSON to CSV for Excel.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/gas-history

  Fee history of the last N blocks on an EVM chain (eth_feeHistory): base fee per block, gas usage and priority tips at the 10th, 50th and 90th percentiles, with a tip recommendation to get included fast. 12 chains.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/gas-more-chains

  Gas price and latest block right now on BNB Chain, Avalanche, Gnosis, Linea, Scroll, Sonic and Unichain, with the cost of a simple transfer in native coin.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/gas-price

  Live gas price on Base or Ethereum (gwei, base fee, priority fee) plus estimated USD cost of an ETH transfer, an ERC-20 transfer and a DEX swap, including Base L1 data fee. Priced with the Chainlink ETH/USD oracle.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/geo-distance

  Distance between two coordinates (Vincenty geodesic on WGS84 plus great-circle), in km, miles and nautical miles, initial bearing and compass direction, midpoint and estimated time on foot, by car and by plane.

  SolanaOther

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/hackernews-comments

  All comments of a Hacker News story (by id or URL) in thread order, with author, text and nesting level.

  SolanaWeb data

  $0.003/ request

  2026-10-13

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

  Search Hacker News stories or comments by relevance or date, with points, comment count, author and links.

  SolanaWeb data

  $0.003/ request

  2026-10-12

• https://api.vextorium.com/v1/hackernews-user

  Hacker News user profile: karma, account age, bio and latest submissions (stories and comments).

  SolanaWeb data

  $0.003/ request

  2026-10-13

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

  Hedera account (0.0.x or EVM address): HBAR balance, associated HTS tokens with balances, staking node, pending reward, creation date and USD value.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/hyperliquid-prices

  Current mid price of every Hyperliquid asset, or the ones you ask for (BTC, ETH, SOL, HYPE...), in one fast and cheap call.

  SolanaMarket data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/iban-validate

  IBAN validation (ISO 13616 mod-97 and per-country length, SEPA membership; for Spain also the national CCC check digits and bank name). Computed locally, IBAN is not stored.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/image-metadata

  Metadata of an image (URL or base64): format, dimensions, color mode, transparency, size, DPI, animation and EXIF (camera, date, software), flagging embedded GPS location.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/image-palette

  Dominant colors of an image (URL or base64) with their share, in HEX and RGB, plus the average color and light/dark tone. For brand palettes, themes or tagging images by color.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/impermanent-loss

  Impermanent loss calculator for Uniswap v2 (full range) and v3/v4 concentrated ranges: IL vs holding, out-of-range flag and final token mix.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/ip-info

  Public information about an IP address: network prefix, autonomous system (ASN) and holder, registration country, regional registry and abuse contact, or whether it is private/reserved. RIPEstat data.

  SolanaIdentity

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/ip-subnet

  IPv4/IPv6 subnet calculator: network, mask, wildcard, broadcast, first/last host, usable hosts, address type (private, public, loopback...) and whether a given IP belongs to the subnet.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/isin-validate

  Validate a securities ISIN (ISO 6166): format, check digit, issuing country and embedded CUSIP (US/CA, with its own check) or SEDOL (GB/IE). Computed locally; nothing stored.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/json-diff

  Deep comparison of two JSON documents: added, removed and changed values with their exact path, optionally ignoring list order. Detect changes in API responses, configs or data snapshots.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/json-inspect

  Validate JSON (with line and column of the error), pretty-print or minify it, describe its structure (depth, keys, value types) and extract a value by path such as data.items[0].price.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/json-schema-generate

  Generate a JSON Schema (draft 2020-12) from an example JSON: types, properties, arrays, required fields and formats (date, date-time, email, uri). For API docs, tool definitions and output validation.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-06

• https://api.vextorium.com/v1/json-schema-validate

  Validate JSON data against a JSON Schema (drafts 4 to 2020-12, with format checks): valid flag and every error with its exact path and failing rule. Check API responses or LLM structured output.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-06

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

  Decode a JWT and verify its signature with the public keys of a JWKS URL (RS256, ES256, EdDSA...) or an HMAC secret, checking expiry, audience and issuer; returns header, claims and the exact reason if invalid. Tokens a…

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/kaspa-address

  Kaspa: balance of an address (kaspa:...) with transaction count and USD value; without an address, network status (blocks, difficulty, hashrate, circulating and max supply).

  SolanaOnchain data

  $0.003/ request

  2026-10-08

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

  Extract keywords and keyphrases from a text without AI (RAKE algorithm scoring frequency and degree), in Spanish or English, plus most frequent words. For tagging, indexing and SEO.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/latest-block

  Latest block on an EVM chain: number, hash, time, age in seconds, transaction count, gas used % and base fee.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

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

  Find a company's LEI (Legal Entity Identifier) by name, or the record of a LEI: legal name, country, legal form, address, entity and registration status, renewal date, direct parent and company register number.

  SolanaOther

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/lei-validate

  Validate a Legal Entity Identifier (LEI, ISO 17442): 20-character format and mod-97 check digits, split into LOU prefix and entity part. Computed locally; does not query GLEIF.

  SolanaOther

  $0.003/ request

  2026-10-08

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

  Compare two lists (emails, IDs, wallets, SKUs...): items in both, only in A, only in B, duplicates within each and union, with counts. Up to 100,000 items per list.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/llm-token-count

  Count the tokens of a text with OpenAI tokenizers (o200k for GPT-4o/4.1/5, cl100k for GPT-4/3.5) plus estimates for Claude, Llama and Gemini, with characters per token. Budget LLM calls and split contexts.

  SolanaAI models

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/llms-txt-read

  Read a website's /llms.txt (the standard that tells LLMs what a site is about) as structured data: title, summary, sections with links and descriptions, and whether llms-full.txt exists.

  SolanaAI models

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/loan-liquidation-price

  Collateralized DeFi loan (Aave/Compound style): health factor, current LTV, collateral liquidation price, drop it can withstand, extra borrowing room and how much to repay or add to reach a 1.5 health factor.

  SolanaOnchain data

  $0.003/ request

  2026-10-06

• https://api.vextorium.com/v1/margin-calculator

  Pricing calculator: from any two of cost, price, margin or markup it computes the rest, profit per unit and total, and the price with VAT. Avoids the classic margin vs markup confusion.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/market-hours

  World stock exchanges clock: status (open, closed, lunch break), local time, today's session and next open for NYSE, Toronto, London, Euronext, Xetra, Madrid, Zurich, Tokyo, Hong Kong, Shanghai, India and Sydney.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/mastodon-followers

  Followers of a Mastodon account (user@instance) with name, follower count, bot flag and profile link.

  SolanaWeb data

  $0.003/ request

  2026-10-13

• https://api.vextorium.com/v1/mastodon-following

  Accounts a Mastodon account (user@instance) follows, with name, follower count, bot flag and profile link.

  SolanaWeb data

  $0.003/ request

  2026-10-13

• https://api.vextorium.com/v1/mastodon-hashtag

  Latest public Mastodon (fediverse) posts with a hashtag on any instance, with author, text, favourites, boosts and replies.

  SolanaWeb data

  $0.003/ request

  2026-10-12

• https://api.vextorium.com/v1/mastodon-media

  Latest posts from a Mastodon account (user@instance) that include images, video or audio, with media links and alt text.

  SolanaMedia

  $0.003/ request

  2026-10-13

• https://api.vextorium.com/v1/mastodon-post-replies

  A Mastodon post (by its URL on the instance) and all its replies with author, text and engagement.

  SolanaWeb data

  $0.003/ request

  2026-10-13

• https://api.vextorium.com/v1/mastodon-profile

  Mastodon profile (user@instance): followers, following, post count, bio, last activity and recent posts with engagement.

  SolanaWeb data

  $0.003/ request

  2026-10-12

• https://api.vextorium.com/v1/mastodon-trending-links

  News and links most shared right now on a Mastodon instance, with title, site, description and shares today.

  SolanaWeb data

  $0.003/ request

  2026-10-13

• https://api.vextorium.com/v1/mastodon-trending-posts

  Posts with the most engagement right now on a Mastodon instance, with author, text, favourites, boosts and replies.

  SolanaWeb data

  $0.003/ request

  2026-10-13

• https://api.vextorium.com/v1/mastodon-trending-tags

  Hashtags trending on a Mastodon instance, with uses and accounts today and uses over the last 7 days.

  SolanaWeb data

  $0.003/ request

  2026-10-13

• https://api.vextorium.com/v1/moon-phase

  Moon phase on a date: name, illuminated percentage, lunar age and the next new and full moon dates. Local astronomical calculation.

  SolanaOther

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/morpho-vaults

  Morpho lending vaults run by curators: name, deposited asset, chain, net APY, deposits in USD, fee and curator; filter by asset (USDC, WETH...) and chain, sort by deposits or APY.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

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

  NEAR account (name.near or 64-hex implicit): available and staked NEAR, storage used, whether it has a contract deployed and USD value.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/nft-owner

  Current owner of an ERC-721 NFT by token_id (ownerOf), with collection name and tokenURI. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche, Gnosis, Linea, Scroll, Sonic and Unichain.

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/nfts-of-wallet

  Token ids of an ERC-721 collection held by a wallet (tokenOfOwnerByIndex on enumerable collections) and the total count. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche, Gnosis, Linea, Scroll,…

  SolanaOnchain data

  $0.003/ request

  2026-10-08

• https://api.vextorium.com/v1/nostr-profile

  Nostr profile by npub, hex key or NIP-05 identifier (name@domain): name, bio, picture, website, NIP-05, Lightning address and latest public notes, queried from several public relays.

  SolanaIdentity

  $0.003/ request

  2026-10-08

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

  npm package profile: latest version, description, license, repository, dependencies, unpacked size, weekly and monthly downloads, maintainers and deprecation flag. For dependency choice and audits.

  SolanaDeveloper tools

  $0.003/ request

  2026-10-08

By chain

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.

The price each endpoint registered in the x402 catalogue. A listed price is a registration, not an observed charge.