Create or update contacts in bulk

const result = await bird.contacts.batch({
  contacts: [{ email: "jane@acme.com", first_name: "Jane" }],
});
for (const item of result.data) {
  console.log(item.entry.email, item.status);
}

result = client.contacts.batch(contacts=[{"email": "jane@acme.com", "first_name": "Jane"}])
for item in result.data:
    print(item.entry.email, item.status)

result, err := client.Contacts.Batch(context.Background(), bird.ContactBatchParams{
	Contacts: []bird.ContactCreateRequest{
		{Email: bird.Ptr(openapi_types.Email("a@x.com"))},
	},
})
if err != nil {
	log.Fatal(err)
}
for _, item := range result.Data {
	email := ""
	if item.Entry.Email != nil {
		email = *item.Entry.Email
	}
	fmt.Println(email, item.Status)
}

$result = $bird->contacts->batch(
    (new ContactUpsertRequest())->setContacts([
        (new ContactCreateRequest())->setEmail('jane@acme.com')->setFirstName('Jane'),
    ]),
);
printf("%d contacts upserted\n", count($result->getData() ?? []));

bird contacts batch --body-file - <<'JSON'
{
  "audience_ids": [
    "adn_01krdgeqcxet5s7t44vh8rt9mg"
  ],
  "contacts": [
    {
      "email": "alice@acme.com",
      "first_name": "Alice",
      "last_name": "Anderson"
    },
    {
      "email": "bob@acme.com",
      "first_name": "Bob",
      "last_name": "Baker"
    }
  ]
}
JSON

curl -X POST "https://us1.platform.bird.com/v1/contacts/batch" \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "contacts": [
      {
        "email": "alice@acme.com",
        "first_name": "Alice",
        "last_name": "Anderson"
      },
      {
        "email": "bob@acme.com",
        "first_name": "Bob",
        "last_name": "Baker"
      }
    ],
    "audience_ids": [
      "adn_01krdgeqcxet5s7t44vh8rt9mg"
    ]
  }'