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x402 Data API – Top APIs by Payers or Calls
x402
x402 Data API – Top APIs by Payers or Calls is a paid API for AI agents from tb2s28fm0h8dkq2t.68r.lambda-web.us-east-1.on.aws, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-25).
Returns the most popular x402-gated APIs ranked by distinct payers or total calls in the last 30 days, with price and uptime data, optionally filtered by category.
Price / call$0.002
Success—
StatusUnknown
How this service works
The x402 APIs with the most distinct payers (or calls) in the last 30 days, optionally within a category, with price and measured uptime.
Output
A JSON array of up to 50 x402 API entries, each containing the resource URL, number of calls in the last 30 days, price in USD, number of distinct payers in the last 30 days, and measured uptime over 30 days, sorted by the requested ranking metric (payers or calls).
Example use cases
Discover popular AI APIs to integrate
“What are the top 5 x402 APIs in the LLM and AI category by number of distinct payers? I want to know their prices and uptime so I can decide which one to build on.”
Market research on x402 API activity
“Give me the top 20 x402 APIs ranked by total calls in the last 30 days across all categories — I want to understand which ones are getting the most usage overall.”
Find top crypto APIs for a trading bot
“Which x402 APIs in the 'crypto & on-chain' category have the most unique payers right now? Show me up to 15 results with pricing and uptime.”
Technical details
Endpoint
GEThttps://tb2s28fm0h8dkq2t.68r.lambda-web.us-east-1.on.aws/v1/market/top?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a ranked leaderboard of x402-gated APIs by real usage (payers or call volume) with associated pricing and uptime metrics. It is ideal for API marketplace discovery, competitive analysis of x402 offerings, or helping developers find reliable and popular APIs to integrate. Prefer this over category or origin-specific endpoints when you want a broad, cross-market popularity ranking.
Side effects
- Invalid 'by' value (not 'payers' or 'calls') returns an error
- Invalid 'limit' outside 1–50 range returns an error or defaults
- Unknown or misspelled category enum value returns an error
- No results returned if category has no qualifying APIs
- Endpoint temporarily unavailable returns a 5xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"by": "payers",
"results": [
{
"resource": "https://api.example/v1/x",
"calls_30d": 6956,
"price_usd": 0.005,
"payers_30d": 227,
"uptime_30d": 1
}
]
}
}Tags
x402
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