AgentTools

active

Paid JSON APIs for AI agents. Every endpoint is monetized with the x402 protocol: request without payment → 402 with instructions → pay USDC on eip155:8453 → retry with X-PAYMENT header → 200. Free docs at https://agenttools-hub.vercel.app/for-agents, tool map at https://agenttools-hub.vercel.app/llms.txt. Tip jar: GET https://agenttools-hub.vercel.app/api/tip?amount=1.00 (dynamic price).

Settled via Coinbase.

Transactions · 30d
227
Volume · 30d
$0.346
Unique buyers · 30d
4
Uptime · 30d
100.0%
Latency p50
43ms
Reported calls · 30d
217

Endpoints (111 live)

  • GET /api/v1/dev/archive-lookup — Query the Internet Archive's Wayback index for any URL: when it was first archived, the most recent snapshot, how many years it spans, and recent capture dates. Useful for fact-checking page history, finding deleted content and due-diligence. Use this when an agent needs to how the Internet Archive remembers a URL. (0.002 USDC on Base)
  • GET /api/v1/converters/area-converter — Convert area units: square millimeters, centimeters, meters and kilometers, hectares, acres, square feet and square miles. Use this when an agent needs to square meters, feet, acres, hectares. (0.001 USDC on Base)
  • GET /api/v1/calculators/date-difference-calculator — Count the total days between two dates, plus the breakdown in weeks and days and in calendar years, months and days. Use this when an agent needs to days, weeks and calendar time between two dates. (0.001 USDC on Base)
  • GET /api/v1/calculators/compound-interest-calculator — Project the future value of a deposit with compound interest: choose annual, semi-annual, quarterly, monthly, weekly or daily compounding and see total interest earned. Use this when an agent needs to future value with any compounding frequency. (0.002 USDC on Base)
  • GET /api/v1/calculators/bmi-calculator — Calculate Body Mass Index from weight (kg) and height (cm), with the WHO weight category and the healthy BMI weight range for your height. Use this when an agent needs to body Mass Index with WHO category. (0.001 USDC on Base)
  • GET /api/v1/dev/number-base-converter — Convert integers between any bases from 2 to 36 — binary, octal, decimal, hexadecimal and beyond — with BigInt precision (no limit on magnitude). Use this when an agent needs to binary, octal, decimal, hex — any base 2–36. (0.001 USDC on Base)
  • GET /api/v1/calculators/discount-calculator — Calculate 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. (0.001 USDC on Base)
  • GET /api/v1/converters/temperature-converter — Convert between Celsius, Fahrenheit and Kelvin with exact formulas, reference points (freezing and boiling water) and step-by-step working. Use this when an agent needs to celsius, Fahrenheit and Kelvin, both ways. (0.001 USDC on Base)
  • GET /api/v1/converters/volume-converter — Convert cooking and liquid volume units: milliliters, liters, cubic meters, US gallons, quarts, pints, cups, fluid ounces, tablespoons and teaspoons. Use this when an agent needs to liters, gallons, cups, milliliters. (0.001 USDC on Base)
  • GET /api/v1/calculators/reading-time-calculator — Estimate reading time from a word count at any reading speed. Defaults to 200 words per minute — the typical silent-reading speed for adults. Use this when an agent needs to how long a text takes to read, by word count. (0.001 USDC on Base)
  • GET /api/v1/calculators/age-calculator — Calculate a person's exact age in calendar years, months and days from their date of birth, plus total days lived. Reference date defaults to today (UTC). Use this when an agent needs to exact age in years, months and days. (0.001 USDC on Base)
  • GET /api/v1/converters/data-size-converter — Convert digital storage units: bits, bytes, KB, MB, GB, TB (decimal, ×1000) and KiB, MiB, GiB, TiB (binary, ×1024) — both systems side by side. Use this when an agent needs to decimal (KB/MB/GB) and binary (KiB/MiB/GiB) units. (0.001 USDC on Base)
  • GET /api/v1/calculators/vat-calculator — Add 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. (0.001 USDC on Base)
  • GET /api/v1/converters/length-converter — Convert between metric and imperial length units: kilometers, meters, centimeters, millimeters, micrometers, nanometers, miles, yards, feet, inches and nautical miles. Use this when an agent needs to metric and imperial distance units, instantly. (0.001 USDC on Base)
  • GET /api/v1/calculators/loan-payment-calculator — Calculate the fixed monthly payment for a loan from its principal, annual interest rate and term in years, plus total repaid and total interest (annuity formula). Use this when an agent needs to monthly payment, total cost and interest for any loan. (0.002 USDC on Base)
  • GET /api/v1/calculators/tip-calculator — Calculate the tip for any bill, the grand total, and how much each person pays when splitting. Defaults to a 15% tip. Use this when an agent needs to tip amount, total and per-person split. (0.001 USDC on Base)
  • GET /api/v1/calculators/fuel-cost-calculator — Calculate the liters of fuel a trip needs and its total cost from distance, consumption (L/100 km) and price per liter — with optional cost splitting between passengers. Use this when an agent needs to trip fuel and cost, splitable between people. (0.001 USDC on Base)
  • GET /api/v1/converters/weight-converter — Convert 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. (0.001 USDC on Base)
  • GET /api/v1/converters/speed-converter — Convert speed units: kilometers per hour, miles per hour, meters per second, knots and feet per second with exact definitions. Use this when an agent needs to km/h, mph, m/s, knots and ft/s. (0.001 USDC on Base)
  • GET /api/v1/dev/pdf-to-text — Fetch a PDF (by URL, SSRF-guarded) or accept it as base64 and extract all readable text with page count. Deterministic parsing — no language model, so nothing is invented. Text-based PDFs only; scanned images need OCR (not included). Use this when an agent needs to extract readable text from any PDF — agents can't read PDFs. (0.003 USDC on Base)

+91 more endpoints.

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