# ReadX Hashtag Timeline API

> ReadX Hashtag Timeline API is a paid API for AI agents from readx.1x402.sh, paid per call via x402, $0.03/call, status down (last checked 2026-09-15).

Fetches recent tweets and timeline data for a given X/Twitter hashtag, returning JSON results via micropayment-gated API

## Facts

- Endpoint: GET https://readx.1x402.sh/api/hashtag/%7Btag%7D
- Price: $0.03/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/readx-hashtag-timeline-api-25d9dd34
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_lQsRscL2anYK3mh7ShqDB

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 readx-hashtag-timeline-api-25d9dd34
```

Example prompt: Can you pull the latest tweets for the hashtag #AI from X/Twitter and show me what people are posting about it right now?

## When to prefer this

Use this endpoint when you need to programmatically fetch tweets for a specific hashtag from X/Twitter without needing official Twitter API credentials. Ideal for lightweight, pay-per-call access patterns where you want to avoid API key management overhead. Best for agents that need on-demand social listening or content discovery for specific topics.

## Known failure modes

- Invalid or malformed hashtag returns empty results or error code
- Hashtag not found / no recent tweets returns empty data object
- Payment failure via x402 micropayment returns 402 Payment Required
- Rate limiting or upstream X API unavailability returns error response
- Network timeout on slow hashtag queries

## How this service works

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

## Output

A JSON object with a status code and a data payload containing recent tweets and associated metadata (authors, timestamps, engagement counts, etc.) for the specified hashtag on 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/readx-hashtag-timeline-api-25d9dd34/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from readx.1x402.sh](https://www.zero.xyz/host/readx.1x402.sh/llms.txt)