AgentsToolsHub

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://agentstoolshub.com/api/v1

• GET/converters/weight-converter$0.002Convert between weight and mass units: metric tons, kilograms, grams, milligrams, pounds, ounces and stones with exact international definitions. Use this when an agent needs to kilograms, pounds, ounces and more. On x402 Bazaar
• GET/dev/csv-convert$0.002Convert CSV to JSON (array of objects keyed by the header row) and JSON arrays back to CSV. Handles quoted fields with embedded delimiters, escaped quotes and multi-line values per RFC 4180 conventions. Use this when an agent needs to cSV to array-of-objects and back, with quote handling. On x402 Bazaar
• GET/nft/collection-compare$0.025Compare any two NFT collections on the full due-diligence metric set: supply, holders, holder ratio, top-10 concentration, wash-trading score and activity trend — with a winner per metric. The head-to-head an agent runs before recommending one collection over another. Use this when an agent needs to two collections side-by-side, metric by metric verdicts. On x402 Bazaar
• GET/dev/regex-tester$0.002Test a regular expression against text and see every match: the matched substring, its index, and all capture groups. Deterministic — the same pattern and text always produce the same result, unlike LLM-simulated regex matching. Use this when an agent needs to pattern + text → every match, group and index. On x402 Bazaar
• GET/crypto/price$0.005Live cryptocurrency prices from CoinGecko's public API: current price in USD/EUR/GBP/JPY plus 24-hour change for any coin by id or common ticker (btc, eth, sol…). Cached 60 seconds. Use this when an agent needs to live token prices and 24h change via CoinGecko. On x402 Bazaar
• GET/finance/amortization-schedule—No price listedFull loan amortization: the exact monthly payment, a year-by-year principal/interest/balance table, total interest, and the effect of extra monthly payments — payoff months saved and interest saved. Deterministic mortgage math agents can quote line by line. Use this when an agent needs to full yearly schedule + extra-payment savings.
• GET/calculators/vat-calculator$0.003Add VAT to a net amount or remove VAT from a gross amount. Standard VAT rates for 36 countries are built in, or override with any custom rate. Use this when an agent needs to add or remove VAT at standard rates for 36 countries. On x402 Bazaar
• GET/dev/email-validator$0.002Validate an email address in two layers: strict RFC-style syntax, then a live DNS MX lookup on the domain to confirm the recipient actually runs mail servers. Catches the typos and fake domains that pure regex misses. Use this when an agent needs to syntax + live MX check — can this address receive mail?. On x402 Bazaar
• GET/crypto/gas-fee-calculator$0.003Calculate a transaction's gas fee: gas units × gas price (gwei) gives the ETH cost, multiplied by the ETH price for USD. Exact BigInt math for the wei amounts. Use this when an agent needs to transaction cost in ETH and USD from gas × gwei. On x402 Bazaar
• GET/calculators/discount-calculator$0.002Calculate the final sale price and the amount saved for any price and percent-off discount, with the working shown. Use this when an agent needs to sale price and savings from a percent off. On x402 Bazaar
• GET/crypto/impermanent-loss—No price listedCompute impermanent loss for a 50/50 constant-product AMM position at any relative price move, with a reference table of common moves. Deterministic closed-form — the exact divergence number an LP should compare against farming rewards. Use this when an agent needs to aMM divergence loss for any price move.
• GET/security/security-headers$0.005Fetch a URL and grade its HTTP security headers: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy and COOP/CORP. Returns a 0–100 score, a letter grade, and a concrete recommendation for every missing header. Use this when an agent needs to grade a site's HTTP security headers + fix hints. On x402 Bazaar
• GET/dev/iso-duration—No price listedConvert ISO 8601 durations (P1DT2H30M) to total seconds and back — including weeks — with a component breakdown. The unambiguous duration math agents should use for retries, TTLs and scheduling instead of mental arithmetic. Use this when an agent needs to durations ↔ seconds, exact in both directions.
• GET/live/hacker-news$0.005Live Hacker News data from the official Firebase API: top, new and best story lists with scores and comment counts, or the full detail of any item id. Fresh from the source — no scraping, cached a few minutes. Use this when an agent needs to top/new/best stories or any item, via the API. On x402 Bazaar
• GET/live/dictionary$0.003Look up any English word: part-of-speech definitions with usage examples, IPA phonetics, pronunciation audio when available, and synonym/antonym lists. Live from the free Dictionary API — definitions agents can quote verbatim instead of inventing. Use this when an agent needs to definitions, phonetics and synonyms for a word. On x402 Bazaar
• GET/crypto/random-generator$0.002Generate cryptographically secure randomness: passwords with charset rules, hex keys of any byte length, and uniform random integers (rejection sampling, no modulo bias). Never use Math.random for secrets. Use this when an agent needs to cSPRNG passwords, hex keys and uniform integers. On x402 Bazaar
• GET/dev/http-status-codes$0.002Reference database of HTTP response status codes with phrase, category and explanation. Look up a specific code or list a whole category (1xx–5xx). Use this when an agent needs to look up any HTTP status code's meaning. On x402 Bazaar
• GET/media/exif-reader—No price listedExtract EXIF metadata from a JPEG: camera make/model, lens, exposure settings, timestamps, orientation and GPS coordinates as decimal lat/lon. The OSINT-standard check for where a photo really came from — parsed in memory, never stored. Use this when an agent needs to camera, settings and GPS from a JPEG.
• GET/dev/text-extract$0.005Scan unstructured text and extract structured entities: email addresses, URLs, IPv4 addresses, phone numbers and domains. Deduplicated, categorized, machine-ready. Use this when an agent needs to pull emails, URLs, IPs, phones and domains from raw text. On x402 Bazaar
• GET/databases/area-codes$0.002Look up any US telephone area code to find the state or territory it serves, or list every area code in a given state. Covers all 404 NANP codes in use, including overlays. Use this when an agent needs to all 404 NANP area codes → state lookup. On x402 Bazaar
• GET/finance/iban-validator$0.003Validate an International Bank Account Number: country code, country-specific length and the ISO 7064 MOD 97-10 check digits — with the pretty-printed grouping returned when valid. Use this when an agent needs to structure, length and mod-97 checksum validation. On x402 Bazaar
• GET/live/url-metadata$0.005Fetch a URL server-side and extract its title, meta description, Open Graph and Twitter card tags, canonical URL and favicon — the data agents need to preview or classify a link. SSRF-guarded: private networks are blocked, 10s timeout, 1MB cap. Use this when an agent needs to title, description, OG image and favicon of any page. On x402 Bazaar
• GET/dev/llm-cost-calculator$0.002Calculate the API cost of an LLM call: input and output tokens × published per-million prices for 15 current models (OpenAI, Anthropic, Google, DeepSeek, xAI, Meta). Batch multiplier included for monthly estimates. Use this when an agent needs to tokens × current per-model prices = USD. On x402 Bazaar
• GET/dev/json-formatter$0.002Validate JSON with precise error messages, pretty-print it with any indent, and inspect its top-level type and element counts. Use this when an agent needs to validate, pretty-print and inspect JSON. On x402 Bazaar
• GET/dev/ics-parser$0.003Parse iCalendar (.ics) content — meeting invites, conference calendars, exports from Google/Outlook — into structured event JSON: title, start/end, location, organizer and description. Use this when an agent needs to turn .ics calendar files into clean event JSON. On x402 Bazaar

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