---
title: "Validate exact browser Origin before collection transport."
method: OPTIONS
path: "/v1/collections/{id}/responses"
---

# Validate exact browser Origin before collection transport.

`OPTIONS /v1/collections/{id}/responses`

## Request

- Base URL: `http://127.0.0.1:8080`
- URL: `http://127.0.0.1:8080/v1/collections/{id}/responses`
- Auth: none required

## Path parameters

- `id` string, required

## Headers

- `Origin` string, required

## Response `204`

Permitted origin; CORS response headers, no body.

## Other responses

- `400`: Invalid preflight request.
- `403`: Origin is not permitted.
- `404`: Collection not found.
- `410`: Collection unavailable.
- `429`: Admission or collection rate limit reached. Honor Retry-After in seconds; admission usually returns1, the collection minute window returns60.
- `500`: Internal error.
- `503`: Distributed request admission is temporarily unavailable. No protected handler ran; honor Retry-After.

---

[API](https://skmtc.dev/likerts/apis/likerts-development-api.md) · [All operations](https://skmtc.dev/likerts/apis/likerts-development-api/llms.txt) · [OpenAPI document](https://skmtc.dev/likerts/apis/likerts-development-api/revisions/c583fa096c07?raw)