---
id: "tr_ikn"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["government"]
country: ["TR"]
langs: ["tr"]
quality: 90
url: "https://registry.apicrafter.io/datatype/tr_ikn"
---

# Turkish public procurement registration number (İKN) (`tr_ikn`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Registration number of a tender in the Turkish electronic public procurement platform EKAP (İhale Kayıt Numarası): the year, a slash and a serial number, as in 2026/1947326.

- Parent datatype: `id`
- Personal data (PII): no
- Categories: Government related (government)
- Countries: Turkey (TR)
- Languages: Turkish (tr)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^\d{4}/\d{1,7}$
```

## Examples

- `2026/1947326` — Bursa tender
- `2026/25` — Bursa tender
- `1947326` (invalid example) — No year

## Metacrafter rules

1 rules: 0 match the field name, 1 match values.

- `trikinvalue` (data, `tr/tr_gov.yaml`)

## Supported by tools

- `metacrafter`

## Translations

- tr: İhale Kayıt Numarası

## Sources

- doc: <https://ekap.kik.gov.tr/>

## Quality

Score 90/100. Missing: mapping (Wikidata, Schema.org, ...).

JSON: <https://registry.apicrafter.io/api/v1/datatypes/tr_ikn.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/TR/government/tr_ikn.yaml>