| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/api/v1/calculators/percentage-calculator Calculate X% of Y, what percent X is of Y, and the percent change between two values — with step-by-step working shown. Use this when an agent needs to percent of a number, ratios and percent change. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/api/v1/crypto/gas-fee-calculator Calculate 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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/api/v1/databases/countries Reference database of all 250 countries and territories: ISO 3166-1 codes, capitals, regions, population, area, currencies, languages, TLDs and calling codes. Look up a single country or list by region. Use this when an agent needs to 250 countries: codes, capitals, currencies, p | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/api/v1/dev/base64-encode Encode text to base64 or decode base64 back to text. Full UTF-8 support including emoji and non-Latin scripts. Use this when an agent needs to uTF-8 safe base64 in both directions. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/api/v1/dev/diff Compare two texts line by line using an LCS diff: exact additions, removals and context — in unified-diff style. Deterministic, unlike asking a model to 'find the differences'. Use this when an agent needs to exact line-level diff with unified-style output. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/api/v1/dev/feed-parser Fetch an RSS or Atom feed and return normalized JSON items: title, link, publication date (ISO) and summary. Server-side fetching with SSRF guard; handles both RSS 2.0 and Atom dialects. Use this when an agent needs to any feed → clean JSON items, no XML parsing on your side. | base | USDC | $0.02 | exact |
| https://agentstoolshub.com/api/v1/dev/jwt-decoder Decode a JSON Web Token's header and payload to readable JSON. Pure decoding: signatures are NOT verified and no secret is needed. Accepts standard and URL-safe base64 with or without padding; claims like exp and iat are rendered as dates. Use this when an agent needs to decode h | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/api/v1/dev/text-chunker Split text into retrieval-friendly chunks with a token budget and sentence-aware boundaries. Overlap between consecutive chunks preserves context across splits — the standard preparation step before embedding. Use this when an agent needs to rAG-ready chunks with token budgets an | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/api/v1/dev/text-extract Scan 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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/api/v1/finance/iban-validator Validate 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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/api/v1/live/now Returns the current date and time in any IANA time zone, plus Unix seconds/milliseconds, ISO 8601, weekday and day-of-year. Use it whenever an agent needs to know 'now'. Use this when an agent needs to the current date/time in any time zone — agents have no clock. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
| https://agentstoolshub.com/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. | base | USDC | $0.01 | exact |
