Catalogue
API guides
Other people’s HTTP APIs, with pricing labels, limits, and copy-paste snippets. We document how to call them. We do not host or proxy them.
PureDevKit does not host or proxy these APIs. Pricing, rate limits, CORS, authentication, and JSON shapes can change without notice. Always confirm the current rules on the provider’s official documentation before you ship.
India
IFSC to bank details API (India)
Look up Indian bank branch details from an 11-character IFSC using Razorpay’s free IFSC API. No key. Confirm limits on their site.
1 provider · 4 min
Indian PIN code to post office API
Resolve a 6-digit Indian PIN code to post offices, district, and state. Official data.gov.in vs the unofficial Postal Pincode API.
2 providers · 5 min
data.gov.in open data API
India’s open government data portal. Free API key, per-dataset resources, JSON/CSV. Confirm quotas on the dataset page.
1 provider · 4 min
IP, DNS, and HTTP
IP address to location API
City, region, country, ASN, and ISP from an IP. Compare ip-api (free, HTTP, non-commercial), IPinfo, and ipapi.co.
3 providers · 6 min
What is my public IP API
Return the caller’s public IPv4 or IPv6. ipify (JSON) and Cloudflare trace. Both free, no key.
2 providers · 3 min
DNS lookup API (DNS-over-HTTPS)
Resolve A, AAAA, MX, TXT and more with Cloudflare DNS-over-HTTPS. Free, HTTPS, JSON. No zone-file builder.
1 provider · 4 min
HTTP testing APIs (status, echo, delay)
Hit a hosted echo server to practice status codes, headers, and delays. httpbingo is the usual stand-in for httpbin.
1 provider · 4 min
Mock HTTP
Geo, weather, and places
Free weather forecast API
Open-Meteo JSON forecasts with no API key for non-commercial use. Attribution required. Paid plans for commercial volume.
1 provider · 4 min
Geocoding API (address to coordinates)
Nominatim (OpenStreetMap) search and reverse geocode. Free public instance with a strict usage policy — or run your own.
1 provider · 5 min
REST Countries API
Country names, ISO codes, currencies, calling codes, and flags. Free, no key. Cache it — this is reference data.
1 provider · 3 min
Public holidays API
Nager.Date returns public holidays by country and year. Free, no key. Verify the country’s list before payroll use.
1 provider · 3 min
Rates and prices
Free foreign exchange rates API
Daily FX from Frankfurter (central-bank sources). No API key. Not a trading feed. Pair with the money formatter for display.
1 provider · 4 min
Cryptocurrency price API
Spot prices from CoinGecko. Freemium: a demo/pro key raises limits. Not financial advice.
1 provider · 4 min