---
title: "POST /v2/social/trades/{event_id}/replies"
method: POST
path: "/v2/social/trades/{event_id}/replies"
tags: ["Social Community"]
---

# POST /v2/social/trades/{event_id}/replies

`POST /v2/social/trades/{event_id}/replies`

## Request

- Base URL: `https://api.arbital.xyz` (the document declares no server; this is the origin it was published from)
- URL: `https://api.arbital.xyz/v2/social/trades/{event_id}/replies`
- Auth: HTTP bearer

Authenticated native community discussion on the latest committed Fomo/Pump trade event UUID. Current external actor visibility is checked through SocialQuery; hidden, missing, CALLD and retracted targets return 404, upstream outage returns 503. Native moderation and bilateral blocks apply. No token holding is required.

## Path parameters

- `event_id` string, uuid, required

## Request body

- CreateSocialTradeReplyRequest: Nonblank native reply body, at most 2000 Unicode code points. No holder requirement or media attachments.
  - `body` string, required

## Response `201`

The created reply

- SocialTradeReply: A reply on a imported trade. Token comment threads and chat messages use separate APIs; their ids cannot address post replies.
  - `author` SocialPostAuthor, required
    - `display_name` string, nullable, required
    - `profile_image_url` string, nullable, required: Approved profile image or stable CALLD default avatar URL.
    - `user_id` string, uuid, required
    - `username` string, required
    - `x_avatar_url` string, nullable, required
  - `body` string, nullable, required: Null after parent deletion; empty for a media-only reply. Removing the last image preserves the empty body and deleted media slot.
  - `created_at_ms` string, required
  - `deleted` boolean, required
  - `id` string, uuid, required
  - `parent_reply_id` string, uuid, nullable, required: Exact direct parent reply on the same post; null for a direct reply to the post.
  - `reply_count` integer, required: Nondeleted visible direct replies, excluding deeper descendants.
  - `viewer_can_delete` boolean, required: Whether the viewer owns this undeleted reply and may delete it.
  - `trade_event_id` string, uuid, required

## Other responses

- `400`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.
- `401`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.
- `403`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.
- `404`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.
- `422`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.
- `429`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.
- `503`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.

---

[API](https://skmtc.dev/arbital/apis/arbital-api.md) - [All operations](https://skmtc.dev/arbital/apis/arbital-api/llms.txt) - [OpenAPI document](https://skmtc.dev/arbital/apis/arbital-api/revisions/bb0185edf43a?raw)