pip install windback

import os
from windback import Windback

client = Windback(api_key=os.environ["PAYBACK_SECRET_KEY"])  # sk_... from dashboard settings

# Get stats
stats = client.stats.get()
print(f"Recovery rate: {stats.recovery_rate}%")

# List churn events
events = client.churn_events.list(status="new", limit=10)

# Generate recovery emails
variants = client.churn_events.generate_variants("event-id")

# Send a recovery email
client.churn_events.send_variant("event-id", "variant-id")

# Mark as recovered
client.churn_events.mark_recovered("event-id")

client = Windback(
    api_key=os.environ["PAYBACK_SECRET_KEY"],
    base_url="https://api.windback.dev",  # optional
    timeout=30,  # seconds, optional
)

import os
from windback import AsyncWindback

client = AsyncWindback(api_key=os.environ["PAYBACK_SECRET_KEY"])

stats = await client.stats.get()
events = await client.churn_events.list()