curl --request POST \
  --url https://commet.co/api/v1/payouts/bank-accounts \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "accountNumber": "<string>",
  "accountHolderName": "<string>"
}
'

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

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

const payoutBankAccount = await commet.payouts.addBankAccount({
  accountNumber: "000123456789",
  accountHolderName: "John Doe",
});

from commet import Commet

commet = Commet("ck_xxx")

payout_bank_account = commet.payouts.add_bank_account(
    account_number="000123456789",
    account_holder_name="John Doe",
)

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

payoutBankAccount, err := client.Payouts.AddBankAccount(ctx, &commet.AddPayoutBankAccountParams{
	AccountNumber: "000123456789",
	AccountHolderName: "John Doe",
})
if err != nil {
	log.Fatal(err)
}

import co.commet.Commet;
import co.commet.params.AddPayoutBankAccountParams;

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

var payoutBankAccount = commet.payouts().addBankAccount(
    AddPayoutBankAccountParams.builder("000123456789", "John Doe").build()
);

use Commet\Commet;

$commet = new Commet('ck_xxx');

$payoutBankAccount = $commet->payouts->addBankAccount(
    accountNumber: '000123456789',
    accountHolderName: 'John Doe',
);

{
  "id": "bank_1a2b3c4d",
  "providerExternalAccountId": "ba_example",
  "holderName": "Example Software LLC",
  "last4": "6789",
  "bankName": "Example Bank",
  "country": "US",
  "currency": "usd",
  "accountType": "checking",
  "isDefault": true,
  "status": "active",
  "createdAt": "2026-09-07T12:00:00.000Z",
  "object": "payout_bank_account",
  "livemode": true
}

{
  "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": "not_found_error",
    "code": "not_found",
    "message": "The requested resource was not found.",
    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/not_found.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"
  }
}