# Twitter Surf - Tweet Replies

> Twitter Surf - Tweet Replies is a paid API for AI agents from twitter.surf.cascade.fyi, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-14).

Fetches paginated replies to a specific tweet by tweet ID, with sorting options

## Facts

- Endpoint: POST https://twitter.surf.cascade.fyi/tweets/:id/replies
- Price: $0.004/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/twitter-surf-cascade-fyi-4c87cda5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_vSOqKvMC20104LyyT0G1v

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability twitter-surf-cascade-fyi-4c87cda5 -d '<json body>'
```

Example prompt: Can you pull the most recent replies to tweet ID 1823456789012345678 — sort them by Latest so I can see the newest responses first?

## When to prefer this

Use this endpoint when you need to retrieve public reply threads for a specific tweet on Twitter/X, especially when you want to sort by relevance, recency, or popularity. It is purpose-built for conversation thread analysis, social listening, and monitoring engagement on specific tweets.

## Known failure modes

- Tweet ID not found or deleted — 404 response
- Invalid sort enum value — validation error
- Invalid or expired pagination cursor — empty or error response
- Rate limit exceeded — 429 response
- Tweet has no replies — empty results list
- Network timeout on large reply threads

## How this service works

Tweet replies

## Output

Returns a list of reply tweets to the specified tweet, sorted by Relevance, Latest, or Likes, with a pagination cursor for fetching additional pages.

## Example request

```json
{
 "input": {
  "type": "http",
  "method": "GET",
  "pathParams": {
   "id": "1823456789012345678"
  },
  "queryParams": {
   "sort": "Latest"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/twitter-surf-cascade-fyi-4c87cda5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from twitter.surf.cascade.fyi](https://www.zero.xyz/host/twitter.surf.cascade.fyi/llms.txt)