isin?isin=US0378331005

Validate an ISIN (International Securities Identification Number, ISO 6166): 2-letter country prefix + 9-char NSIN + Luhn check digit.

Validate an ISIN (International Securities Identification Number, ISO 6166): 2-letter country prefix + 9-char NSIN + Luhn check digit. Returns {valid, isin, country, nsin, embeddedCusip (for US/CA), checkDigit, reason}. Catches transposed characters in security master data that a regex misses. Structure + checksum only.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.0025 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x2b6d4988…51fc32c5

URL

https://2s.io/api/validate/isin?isin=US0378331005

Seen

first 16 days ago · last 4 days ago

28 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC, Solana

Listed on?

Base, Solana

Paid calls

No paid calls yet.

Delivery is unknown until someone pays. A handshake only shows it asks for payment.

Paid for on the same host2 of 120 endpoints at 2s.io

Other endpoints on 2s.io that were paid for
Endpoint	Grade	Paid calls	Last result	Last seen
GET /api/stocks/quote?ticker=AAPL	B	36	delivered	9 hr ago
GET /api/stocks/insider-sentiment?ticker=AAPL	UNRATED	1	delivered	14 days ago

All 120 endpoints on this host

Verify it yourselfnpx teppi-check https://2s.io/api/validate/isin?isin=US0378331005curl -s https://api.teppi.xyz/v1/trust/cap_01M2SGPZJSX0D6T9128JB4NP0D