---
title: "Redirect to an active top-up payment page"
method: GET
path: "/credits/topup/redirect"
tags: ["Subscribe"]
---

# Redirect to an active top-up payment page

`GET /credits/topup/redirect`

Redirects to the active hosted top-up checkout.

## Query parameters

- `session_id` string, required

## Other responses

- `303` — Redirects to the active payment page.
- `400` — Missing or invalid top-up billing session ID.
- `404` — Top-up billing session not found.
- `410` — Top-up billing session is closed or expired.
- `502` — Payment page lookup failed.

## Changes

- **2026-08-19** `73cd0a1d989c` — 4 breaking, 37 warning, 5 info
  - for the `query` request parameter `session_id`, the minLength was increased from `0` to `1`
  - added the pattern `\S` to the `query` request parameter `session_id`
  - added `subschema #1: LegacyErrorCode, subschema #2: StructuredError` to the `error` response property `oneOf` list for the response status `502`
  - the `error` response's property type/format changed from `string`/`` to ``/`` for status `502`
  - …42 more
- **2026-08-12** `d5855df0e349` — 12 warning
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `400`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #1: LegacyErrorCode]/` response property for the response status `404`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `400`
  - added the new `coverage_cursor_gone` enum value to the `error/oneOf[subschema #2: StructuredError]/code` response property for the response status `404`
  - …8 more

[Change history](https://skmtc.dev/xquik-dev/apis/xquik-api-3/changes/credits/topup/redirect/get.md)

---

[API](https://skmtc.dev/xquik-dev/apis/xquik-api-3.md) · [All operations](https://skmtc.dev/xquik-dev/apis/xquik-api-3/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/xquik-dev/xquik-api-3/revisions/3e010a962d32/schema)