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Two headers control regionalization across the entire API:
  • app-market — selects the regional catalog and availability rules.
  • app-locale — selects the language of the response content.
Send both on every request.

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Markets

Use the app-market value that matches your client’s region.
Heads up on en: as an app-market value it means Europe Non TAU, but as an app-locale value it means English. They are different headers — don’t confuse them.

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Locales

Use the app-locale value for the response language.

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Finding the right codes

If you are unsure which market or locale code to use for a given country, the region picker maps each country and language to the corresponding values:
1

Open the region picker

Go to airzonecontrol.com/aa/en/region-picker.
2

Select a country and a language

Pick the country and language, then select Continue.
3

Read the codes from the URL

You are redirected to https://www.airzonecontrol.com/{market}/{locale}/. Use those {market} and {locale} values as your app-market and app-locale headers.
Example: a redirect to https://www.airzonecontrol.com/eu/en/ means app-market: eu and app-locale: en.