Your agent decided to send it. Truncus makes sure it actually happened.

from truncus import Truncus

truncus = Truncus(api_key="tr_live_xxx")

# Synchronous — agent knows immediately if it worked
result = truncus.emails.send_sync(
    from_address="billing@yourapp.com",
    to=customer.email,
    subject=f"Invoice #{invoice.id}",
    html=render_invoice(invoice),
)

if result.status == "delivered":
    mark_invoice_sent(invoice.id)
    log(f"Delivered in {result.latency_ms}ms")
elif result.status == "bounced":
    flag_invalid_email(customer.id)
    log(f"Bounce: {result.intelligence.explanation}")

# Create a durable operation — Truncus retries for you
op = truncus.operations.create(
    type="email.send",
    delivery_guarantee="at_least_once",
    params={
        "from": "support@yourapp.com",
        "to": user.email,
        "subject": "Your account is ready",
        "html": welcome_html,
    },
    retry_policy={"max_retries": 3, "backoff_ms": 5000},
)

# Check later (or let the webhook notify you)
status = truncus.operations.get(op.operation_id)
# { status: "completed", attempts: 1, provider: "ses" }
# Retries happen on SES (eu-west-1) with backoff — never silently dropped

# Validate before wasting a send
check = truncus.emails.validate(
    from_address="agent@yourapp.com",
    to=prospect.email,
)

if check.recommendation == "do_not_send":
    skip_prospect(prospect.id, reason=check.checks.spam_risk)
elif check.confidence_score > 0.8:
    truncus.emails.send_sync(...)