API guides/India
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 · Limits change — verify before you ship
India
PIN codes are not a secret, but the mapping to post offices changes. Prefer an official dataset when you can; unofficial HTTP wrappers are convenient and can disappear.
| Provider | Pricing | Key | HTTPS | CORS |
|---|---|---|---|---|
| Postal Pincode API (unofficial) | Free | No key | Yes | Usually yes |
| data.gov.in (official catalogues) | Freemium | Required | Yes | Backend only |
GET https://api.postalpincode.in/pincode/{PIN}
HTTPS
Yes
API key
No key
CORS
Usually yes
Use
Free tier
Limits. No SLA. Community-run. Cache responses; do not use as a payment-critical dependency.
Commercial. Unofficial. Read the site before commercial use.
Note. This is not India Post’s official product. Confirm the current host and terms on their site.
curl -sS "https://api.postalpincode.in/pincode/110001"GET https://api.data.gov.in/resource/{resource_id}?api-key=YOUR_KEY&format=json
HTTPS
Yes
API key
Required
CORS
Backend only
Use
See limits
Limits. Free registered key with per-resource quotas. See each dataset’s API tab.
Commercial. Government open data. Follow the dataset licence.
Note. Search data.gov.in for “all India pincode” (or similar) and copy the resource id from that dataset.
curl -sS "https://api.data.gov.in/resource/RESOURCE_ID?api-key=YOUR_KEY&format=json&limit=10"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.
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.
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.