Tools.Town API
56+ tools. One REST surface.
Authenticate with a Bearer API key, call https://api.tools.town,
and use the same key with our MCP gateway. Free monthly pools included — buy prepaid credits only when you need more.
curl -G "https://api.tools.town/v1/calculators/emi"
-H "Authorization: Bearer YOUR_API_KEY"
--data-urlencode "principal=500000"
EMI Calculator API
GET /v1/calculators/emi
Live endpoints
Free compute units/mo
Free image units/mo
Rate limit (RPM)
Same API key
Product APIs
Dedicated `*.tools.town` hosts — marketing landings for the sellable Workers.
OG Image API
og.tools.town
Dynamic 1200×630 Open Graph images from a URL — Satori WASM on the edge.
View landingQR Code API
qr.tools.town
SVG or PNG QR codes from a GET — pure TypeScript (uqr), no browser needed.
View landingHash API
hash.tools.town
SHA-1 / SHA-256 / SHA-384 / SHA-512 digests over text or base64 bytes.
View landingUUID API
uuid.tools.town
RFC 4122 v4 UUIDs (and base62) — generate, batch, or validate.
View landingPopular API tools
View all 56 toolsAge Calculator
Calculate your exact age in years, months, and days from any birth date — plus next birthday countdown.
GET /v1/date/ageAlphabetize List
Alphabetise any line list A→Z instantly. Case toggle, blank-line cleanup, natural sort available for numbered names.
POST /v1/text/sort-linesBinary Converter
Convert integers between binary, octal, decimal, hex — BigInt-precise so values past 2^53 work without rounding. Accepts 0b/0o/0x prefixes.
GET /v1/converters/baseBMI Calculator
Calculate your Body Mass Index and find your healthy weight range — metric and imperial.
GET /v1/calculators/bmiBorder Radius Generator
Visually craft CSS border-radius with per-corner sliders, live preview, unit toggle (px/em/rem/%), and shorthand collapsing.
POST /v1/design/border-radius51+ more
Browse the full API catalog with filters.
Browse catalogSimple, transparent pricing
Free pools every month. Prepaid packs when you exceed them — no subscriptions.
Free tier
Logged-in free quota per cost class (compute / image).
500 compute units/mo
- 500 compute units/month (shared pool)
- 50 image units/month
- API key required
- Same limits for REST + MCP
API request packs
Prepaid api_request credits when free pool is exhausted.
weighted units
- 10,000 units — ₹99
- 100,000 units — ₹699
- T0 tools = 1 unit; heavier tools cost more
- Works with n8n, Zapier, MCP
AI text credits
Token credits for the AI text endpoints.
metered per call
- 10,000 AI tokens — ₹149
- Metered per model and call
- Usage dashboard included
- Email support
Custom / Business
Higher volume, invoicing, or a tool built for your org.
custom volume
- Volume pricing on packs
- Priority support
- Custom tools & white-label options
Try the API
Send a real request to https://api.tools.town with your API key.
Integrations
OpenAPI spec, REST docs, and MCP on the same platform.
Use cases
SaaS Platforms
Embed calculators and converters in your product.
Automation
Wire tools into n8n, Zapier, or custom workflows.
Browser Extensions
Call the same endpoints from extensions.
Mobile Apps
Lightweight JSON APIs for native clients.
Quick start
- 1 Create an API key at account/api-keys with
tools:computescope. - 2 Call an endpoint — e.g.
GET https://api.tools.town/v1/calculators/emi - 3 Track usage on account/usage (API tab).
Ready to integrate?
56 live endpoints · free monthly pools · MCP ready