---
title: "Queue a signed test delivery; reconciles pending Buzz authorization first"
method: POST
path: "/buzz-project-event-routes/v1/{buzz_project_event_route_id}/test"
tags: ["Buzz Control Plane"]
---

# Queue a signed test delivery; reconciles pending Buzz authorization first

`POST /buzz-project-event-routes/v1/{buzz_project_event_route_id}/test`

## Request

- Base URL: `https://api.run402.com`
- URL: `https://api.run402.com/buzz-project-event-routes/v1/{buzz_project_event_route_id}/test`
- Auth: one of:
  - API key in header `SIGN-IN-WITH-X`
  - HTTP bearer

## Path parameters

- `buzz_project_event_route_id` string, required

## Headers

- `Idempotency-Key` string, required

## Response `202`

Test delivery queued, not yet published — the delivery tick publishes it; poll the returned deliveries path. Retry-After is returned.

- object
  - `buzz_project_event_delivery_id` string, required
  - `kind` 'event' | 'test', required
  - `status` 'queued' | 'retryable' | 'delivered' | 'suppressed' | 'dead_letter' | 'cancelled', required: dead_letter rows ARE the dead letters — there is no separate ledger. The stored signed envelope is never returned.
  - `event_type` string, required
  - `project_id` string, required
  - `project_event_id` integer, nullable, required: null for kind test.
  - `occurred_at` string, date-time, required
  - `nostr_event_id` string, nullable, required
  - `projection_hash` string, nullable, required: SHA-256 of the exact community-facing projection content.
  - `signing_generation` integer, nullable, required
  - `attempt_count` integer, required
  - `next_attempt_at` string, date-time, nullable, required
  - `last_error` string, nullable, required
  - `suppressed_reason` string, nullable, required
  - `created_at` string, date-time, required
  - `delivered_at` string, date-time, nullable, required
  - `terminal_at` string, date-time, nullable, required
  - `release_id` string, nullable, required: The release this delivery belongs to; deliveries thread by (route, release).
  - `thread_root_delivery_id` string, nullable, required: Public id of the thread root delivery, for replies.
  - `thread_position` 'root' | 'reply', nullable, required
  - `signer` 'installation_identity' | 'project_bot', required: Who signed the envelope: the installation identity, or the project's attested bot.
  - `poll` object, required
    - `path` string, required

## Other responses

- `403`: Canonical Buzz control-plane error. Authorization is existence-obscuring; proof failures never consume a challenge or partially create authority.
- `404`: Canonical Buzz control-plane error. Authorization is existence-obscuring; proof failures never consume a challenge or partially create authority.
- `409`: Canonical Buzz control-plane error. Authorization is existence-obscuring; proof failures never consume a challenge or partially create authority.
- `503`: Canonical Buzz control-plane error. Authorization is existence-obscuring; proof failures never consume a challenge or partially create authority.

---

[API](https://skmtc.dev/run402/apis/run402-api.md) · [All operations](https://skmtc.dev/run402/apis/run402-api/llms.txt) · [OpenAPI document](https://skmtc.dev/run402/apis/run402-api/revisions/893607557f50?raw)