The DMart of APIs · Lowest Price Guaranteed · No volume commitment
The DMart of APIs.
Lowest price, guaranteed.
Everyday lowest prices on KYC, OCR & comms APIs — no volume commitments, no minimums, no contracts. Integrate once; we route every call to the cheapest healthy vendor and pass the savings straight to you. Prepaid wallet, paise-precise billing, GST invoices.
$ 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 }
}Lowest
Price, guaranteed
No min
Volume commitment
< 60s
Failover on outage
Match
Or we point you to it
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 APIs & live prices →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.
Lowest Price Guarantee
The lowest price on every API. Guaranteed.
Like DMart, we exist to give you the best price in the market — no subscriptions, no volume commitment, no minimums. Find any API on this catalog cheaper somewhere else and we'll match it. If we genuinely can't, we'll onboard that provider as a vendor here — or simply point you to the platform offering it lowest. You never overpay.
We match it
Found it cheaper? We'll meet that price.
Or we onboard them
We invite that provider to list on API Sathi.
Or we refer you
We point you to whoever is offering it lowest.
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