curl --request POST \
  --url https://commet.co/api/v1/markets \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "name": "<string>",
  "countryCodes": [
    "<string>"
  ]
}
'

import { Commet } from "@commet/node";

const commet = new Commet({ apiKey: "ck_xxx" });

const market = await commet.markets.create({
  name: "example",
  countryCodes: ["example"],
});

from commet import Commet

commet = Commet("ck_xxx")

market = commet.markets.create(
    name="example",
    country_codes=["example"],
)

client, err := commet.New("ck_xxx")
if err != nil {
	log.Fatal(err)
}
ctx := context.Background()

market, err := client.Markets.Create(ctx, &commet.CreateMarketParams{
	Name: "example",
	CountryCodes: []string{"example"},
})
if err != nil {
	log.Fatal(err)
}

import co.commet.Commet;
import co.commet.params.CreateMarketParams;
import java.util.List;

var commet = Commet.builder().apiKey("ck_xxx").build();

var market = commet.markets().create(
    CreateMarketParams.builder("example", List.of("example")).build()
);

use Commet\Commet;

$commet = new Commet('ck_xxx');

$market = $commet->markets->create(
    name: 'example',
    countryCodes: ['example'],
);

{
  "id": "market_1a2b3c4d",
  "name": "North America",
  "countryCodes": [
    "US",
    "CA"
  ],
  "metadata": {},
  "createdAt": "2026-09-07T12:00:00.000Z",
  "updatedAt": "2026-09-07T12:00:00.000Z",
  "object": "market",
  "livemode": false
}

{
  "error": {
    "type": "validation_error",
    "code": "validation_error",
    "message": "The request contains an invalid parameter.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/validation_error.md"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "unauthorized",
    "message": "A valid API key is required.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/unauthorized.md"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "forbidden",
    "message": "You do not have permission to perform this operation.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/forbidden.md"
  }
}

{
  "error": {
    "type": "conflict_error",
    "code": "idempotency_in_progress",
    "message": "A request with this idempotency key is still being processed.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/idempotency_in_progress.md"
  }
}

{
  "error": {
    "type": "rate_limit_error",
    "code": "rate_limited",
    "message": "Too many requests. Retry after the interval specified in the Retry-After header.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/rate_limited.md"
  }
}

{
  "error": {
    "type": "internal_error",
    "code": "internal_error",
    "message": "An unexpected error occurred while processing the request.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/internal_error.md"
  }
}

{
  "error": {
    "type": "internal_error",
    "code": "idempotency_unavailable",
    "message": "Idempotency storage is temporarily unavailable. Retry with the same idempotency key.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/idempotency_unavailable.md"
  }
}