---
title: "Isin"
url: "https://apiportal.six-group.com/apis/settlement-info-reporting-ch-v1/versions/52cbfb5f-8e19-42e4-a1fa-bded916e761f/schemas/Isin"
---

> Full API specification: https://apiportal.six-group.com/apis/settlement-info-reporting-ch-v1/versions/52cbfb5f-8e19-42e4-a1fa-bded916e761f.md

# Isin

The ISIN (International Securities Identification Number) uniquely identifies a financial instrument. See ISO 6166:2021: Financial services — International securities identification number (ISIN).

## OpenAPI definition

```yaml
openapi: 3.0.2
info:
  title: Security Settlement Information - External API
  version: 1.0.7
servers:
  - url: https://api.six-group.com/custody/cockpit/setlInfo/v1
  - url: https://api.p2p.six-group.com/custody/cockpit/setlInfo/v1
  - url: https://api.fip.six-group.com/custody/cockpit/setlInfo/v1
components:
  schemas:
    Isin:
      pattern: ^[A-Z]{2}([A-Z0-9]){9}[0-9]$
      type: string
      description: "The ISIN (International Securities Identification Number) uniquely
        identifies a financial instrument. See ISO 6166:2021: Financial services
        — International securities identification number (ISIN)."
      example: CH0038863350
```