# X402 Hashtag Search – X/Twitter Hashtag Timeline via x402

> X402 Hashtag Search – X/Twitter Hashtag Timeline via x402 is a paid API for AI agents from x.1x402.sh, paid per call via x402, $0.03/call, status down (last checked 2026-10-18).

Fetches recent tweets and timeline data for a given hashtag from X/Twitter, paid via $0.05 USDC x402 micropayment — no API keys required.

## Facts

- Endpoint: GET https://x.1x402.sh/api/hashtag/%7Btag%7D?utm_source=zero.xyz
- Price: $0.03/call
- Payment: x402
- Status: down
- Last checked: 2026-10-18
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-hashtag-search-x-twitter-hashtag-timeline-via-x402-873c494f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_1NXjgwMPmOPdq8Sxjgkmz

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 x402-hashtag-search-x-twitter-hashtag-timeline-via-x402-873c494f
```

Example prompt: Can you pull up the latest tweets tagged #AIAgents from Twitter right now — I want to see what people are posting about it?

## When to prefer this

Use this endpoint when you need to search X/Twitter content by hashtag without holding official Twitter API credentials, and you're comfortable paying $0.05 USDC per call via x402 micropayments on Base. Ideal for agents that need occasional hashtag lookups without the overhead of OAuth setup or Twitter developer account management.

## Known failure modes

- Payment not sent or insufficient USDC — returns HTTP 402 requiring payment
- Invalid or malformed hashtag parameter — may return empty data or error
- Hashtag has no recent tweets — returns empty data array
- Rate limiting or upstream X/Twitter API unavailability — service error response
- Network timeout — no response returned

## How this service works

ReadX is a read-only X/Twitter JSON API. Profiles, timelines, tweets, search &amp; lists — pay per call with x402 micropayments in USDC on Base or Solana. No API keys.

## Output

A JSON object containing a status code and a data payload with tweet objects and timeline entries matching the requested hashtag, sourced from X/Twitter.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "code": 0,
  "data": {}
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-hashtag-search-x-twitter-hashtag-timeline-via-x402-873c494f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x.1x402.sh](https://www.zero.xyz/host/x.1x402.sh/llms.txt)
