4BASED WEBHOOKS

4Based webhooks with signed delivery

4based has no official webhooks, so CreatorAPI provides them on top of native access. Register a URL once and receive signed events for things like new messages, pay per view unlocks and subscriber changes.

Start free with 1,000 credits · no card · one key for OnlyFans, Fansly and 4based

What are 4based webhooks?

4based webhooks are HTTP callbacks that push account events, such as a new message or a pay per view unlock, to your server the moment they happen. 4based publishes no official public API, so no official webhooks exist either. CreatorAPI builds them as a first party feature on top of your connected account, the same mechanism it already runs for OnlyFans and Fansly, so your code reacts to events instead of polling.

How delivery works

One registration call, then verifiable events at your endpoint until you say stop.

Register once

Send a POST request to /v1/{account}/webhooks with your endpoint URL. A webhook write costs 1 credit.

Signed with HMAC SHA256

Every delivery is signed. Verify the signature on your server and drop anything that does not match.

Retry with backoff

If your endpoint is down or answers with an error, CreatorAPI retries the delivery with backoff. Brief outages do not lose events.

Event catalog

List every event type you can subscribe to with GET /v1/webhooks/events. For 4based that covers messages, pay per view unlocks, chats, subscribers and fans.

Test deliveries

Trigger a test event against your endpoint before anything real happens. Ship the handler with confidence.

Delivery log

Inspect past deliveries when something looks off. You see what was sent and how your endpoint answered.

Register your first webhook

Two calls: list the event catalog, then point CreatorAPI at your endpoint.

# see which event types you can subscribe to
curl -H "X-API-Key: $CREATOR_API_KEY" \
  "https://api.creator-api.com/v1/webhooks/events"

# register your endpoint for a connected 4based account
curl -X POST "https://api.creator-api.com/v1/{account}/webhooks" \
  -H "X-API-Key: $CREATOR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://example.com/hooks/creatorapi"}'

What people build on 4based webhooks

Anything that should react to a fan event within seconds instead of on the next poll.

CRM sync

Push new subscribers and message unlocks straight into your fan database. Pair webhooks with the 4Based CRM API and free tag writes.

Sale alerts

Post every pay per view unlock or new subscriber to Slack, Discord or Telegram the moment it lands. Your chatters see revenue as it happens.

No code flows

Make, Zapier and n8n all accept incoming webhooks today, so signed events can start any scenario. See the no code page for honest setup notes.

What webhooks cost

Registering a webhook costs 1 credit and the free trial ships with 1,000 credits, no card required. Plans start at 39 USD per month and unused credits roll over up to 200 percent of the plan allowance, full details on the pricing page.

4Based webhook questions

Does 4based have official webhooks?

No. Like OnlyFans and Fansly, 4based has no official public API, so there are no official webhooks either. CreatorAPI provides webhooks as a first party feature on top of native access through your own connected account.

How do I register a 4based webhook?

Send a POST request to the CreatorAPI webhooks endpoint for your connected 4based account with the URL you want events delivered to. A webhook write costs 1 credit.

How are webhook deliveries secured?

Every delivery is signed with HMAC SHA256. Your server verifies the signature and rejects any request that does not match, so forged events never reach your logic.

What happens if my server is down when an event fires?

CreatorAPI retries the delivery with backoff, so a brief outage does not lose the event. You can also inspect past deliveries in the delivery log.

Which 4based events can I subscribe to?

The event catalog is available at the webhooks events endpoint. For 4based it covers new messages, pay per view unlocks, new chats, subscriber changes and new fans. Query it once and pick the events your app needs.

Can I test a webhook before going live?

Yes. You can trigger a test delivery against your endpoint and inspect the result in the delivery log before any real event arrives.

Do webhooks work the same for OnlyFans and Fansly?

Yes. One key covers OnlyFans, Fansly and 4based, and the webhook endpoints follow the same pattern across all three.

Stop polling, start reacting

Start free with 1,000 credits, register a webhook and see your first signed delivery in minutes.

Start free with 1,000 credits · no card