India-first · INR-priced · GST-compliant
One API for KYC, OCR & comms.
Cheapest healthy vendor wins.
Buyers integrate once and we route every call to the lowest-cost healthy upstream. Suppliers list their endpoints and earn on volume — no buyer integration work, ever. Prepaid wallet, paise-precise billing, full margin visibility.
$ curl https://api.apisathi.in/v1/pan/verify \
-H "X-API-Key: live_..." \
-H "Idempotency-Key: 8f1c..." \
-d '{"pan":"ABCDE1234F"}'
{
"verified": true,
"name": "ANIL KUMAR",
"aadhaar_linked": true,
"_meta": { "vendor": "cheapest-healthy", "latency_ms": 412 }
}12+
Products at launch
3+
Vendors per product
< 60s
Failover on outage
10%
Flat cost-plus markup
For buyers
One integration, every vendor
Stop maintaining five vendor SDKs. Call one normalized contract per product; we pick the cheapest healthy upstream on every request and fail over automatically.
Why customers choose us →For suppliers
List once, earn on volume
Set your per-call cost and monthly quota. Our cheapest-healthy router sends you volume whenever you are competitive — with transparent monthly reconciliation and payouts.
Why suppliers list with us →How it works
Three steps from signup to your first verified call.
1. Recharge
Top up your prepaid wallet via Razorpay. GST invoice with IRN, instantly.
2. Call any product
Same auth, same shape — PAN, Aadhaar, GSTIN, OCR, SMS, WhatsApp.
3. We route & bill
Cheapest healthy vendor wins. Capture on success, release on failure. Margins visible per call.
A catalog built for India
KYC & Verification
PAN, Aadhaar, GSTIN, Bank, UPI, RC, DL, Voter — one normalized contract each.
OCR & Documents
Read PAN, Aadhaar, cheque and passport documents into clean JSON.
Communication
Transactional SMS, WhatsApp utility and email — DLT-ready.
AI & Biometrics
Face match, liveness and document forgery checks (rolling out).
Featured products
See all pricing →PAN Verification
Verify a PAN and fetch the registered name, DOB and Aadhaar-link status.
Aadhaar OKYC
Offline Aadhaar KYC via OTP or offline XML — name, DOB, address.
GSTIN Lookup
Validate a GSTIN and return legal name, status and filing details.
Bank Account Verify
Penny-drop account verification with name match.
UPI Verify
Validate a UPI VPA and return the registered beneficiary name.
IFSC Lookup
Resolve an IFSC code to bank, branch and address.
Transparent pricing
You pay the vendor's cost, plus a flat 10%.
No subscriptions, no platform fee, no per-vendor contracts. Because we route to the cheapest healthy vendor, the cost floor keeps falling as more suppliers compete.
Vendor cost
₹1.20
+ 10% markup
₹0.12
You pay
₹1.32
Trusted by fintech, lending and onboarding teams across India
“We cut our KYC bill by 30% the week we switched. One integration, automatic failover, and we finally see margin on every single call.”
Ship your first call today
Free ₹100 of test credits. Sandbox keys hit deterministic mocks — go live when ready.
Start buildingList your API, reach demand
Onboard in minutes. Set your price and quota — our router does the distribution.
Become a supplier