---
title: "GET /advertiserPostback"
method: GET
path: "/advertiserPostback"
tags: ["Affiliation"]
---

# GET /advertiserPostback

`GET /advertiserPostback`

Permanent compatibility alias for legacy advertisers. It durably accepts the notification and never waits for conversion reconciliation.

## Query parameters

- `click_id` string
- `secure` string, required
- `transaction_id` string

## Response `202`

The conversion notification was durably accepted for background processing.

- object
  - `conversionId` string, uuid, nullable, required
  - `status` 'accepted' | 'skipped', required

## Other responses

- `400` — The query does not match the advertiser postback contract.
- `503` — The durable affiliation intake is temporarily unavailable.

---

[API](https://skmtc.dev/expertschat/apis/billing-core-api.md) · [All operations](https://skmtc.dev/expertschat/apis/billing-core-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/expertschat/billing-core-api/revisions/c6d0e986ce32/schema)