ISIN check
For ops sheets that store security identifiers. Start with Getting started. Contract: style.
GET /v1/check/isin expands letters to numbers and runs the ISO 6166 Luhn check. It does not ask an exchange whether the security is listed. US0378331005 is Apple’s published ISIN, used here as a checksum example.
Try it
https://fetch.li/v1/check/isin?number=US0378331005
Parameters
| Parameter | Required | Description |
|---|---|---|
number |
Yes | 12-character ISIN |
Demo
GET endpoints work without an API key on the public demo tier (60 calls per hour per IP).
Related: LEI, SEDOL, demo limits.
Try it
GET https://fetch.li/v1/check/isin
Answer
Response