resend-python/examples/batch_email_send.py at 483dcafeccf2feb3daae196e865f08032911f688 · resend/resend-python · GitHub

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import os
from typing import List

import resend
import resend.exceptions

if not os.environ["RESEND_API_KEY"]:
    raise EnvironmentError("RESEND_API_KEY is missing")


params: List[resend.Emails.SendParams] = [
    {
        "from": "[email protected]",
        "to": ["[email protected]"],
        "subject": "hey",
        "html": "<strong>hello, world!</strong>",
    },
    {
        "from": "[email protected]",
        "to": ["[email protected]"],
        "subject": "hello",
        "html": "<strong>hello, world!</strong>",
    },
]

try:
    # Send batch emails
    print("sending without idempotency_key")
    emails: resend.Batch.SendResponse = resend.Batch.send(params)
    for email in emails["data"]:
        print(f"Email id: {email['id']}")
except resend.exceptions.ResendError as err:
    print("Failed to send batch emails")
    print(f"Error: {err}")
    exit(1)

try:
    # Send batch emails with idempotency_key
    print("sending with idempotency_key")

    options: resend.Batch.SendOptions = {
        "idempotency_key": "af477dc78aa9fa91fff3b8c0d4a2e1a5",
    }

    e: resend.Batch.SendResponse = resend.Batch.send(params, options=options)
    for email in e["data"]:
        print(f"Email id: {email['id']}")
except resend.exceptions.ResendError as err:
    print("Failed to send batch emails")
    print(f"Error: {err}")
    exit(1)