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x402 Service Finder
x402
x402 Service Finder is a paid API for AI agents from finder.kagurazaka.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).
Searches the CDP Bazaar for x402-compatible API sellers matching a plain-language task description, ranked by relevance, buyer count, uptime, and price.
Price / call$0.002
Success—
StatusUnknown
How this service works
Find the best x402 API for a task. Describe what you need (for example "remove the background from a photo") and get the matching sellers from the CDP Bazaar ranked by relevance, how many distinct buyers paid them in 30 days, their uptime measured by our monitor every 6 hours, and price. Each result has its price, payers, uptime, median latency and how to call it (method and example input).
Output
A JSON array of matching x402 sellers sorted by composite score, each including the seller's resource URL, score, description, price in USD, number of distinct payers in the past 30 days, call volume, uptime percentage, median latency in milliseconds, how to call the seller (HTTP method and example input), and per-dimension score breakdown. Also returns metadata: how many total listings were considered, how the score was computed, and how many were excluded and why.
Example use cases
Cheapest OCR service discovery
“Find me the cheapest x402 API for extracting text from images — give me up to 5 options and only show sellers that have had at least 2 paying buyers in the last month.”
Reliable transcription seller search
“Search the x402 Bazaar for audio transcription services, limit to 3 results, and only include sellers with solid uptime — I don't want anything that's been flaky.”
Best-ranked image generation API
“Which x402 sellers can generate images from a text prompt? Rank them by relevance and buyer activity, and filter out anything costing more than $0.02 per call.”
Technical details
Endpoint
GEThttps://finder.kagurazaka.dev/v1/find?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs to dynamically discover the best x402-compatible API for a task at runtime, especially when comparing multiple sellers on trust signals (buyer count, uptime) and price. Prefer this over hardcoding a specific x402 seller URL when the optimal provider may change over time or when the task domain isn't known in advance.
Side effects
- No matching sellers found for the task description — returns empty results array
- Task string is too long (over 300 characters) — schema validation error
- limit out of range (must be 1–10) — validation error
- min_payers or max_price_usd filters too strict — returns empty results with exclusion counts
- Bazaar data temporarily stale or unavailable — may return degraded or cached results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"task": "remove the background from a photo",
"results": [
{
"score": 0.83,
"resource": "https://seller.example/api/remove-background",
"calls_30d": 12,
"median_ms": 210,
"price_usd": 0.001,
"payers_30d": 7,
"uptime_30d": 1,
"description": "Remove the background from an image URL and return a transparent PNG URL.",
"how_to_call": {
"method": "POST",
"example": {
"imageUrl": "https://example.com/cat.png"
}
},
"score_parts": {
"price": 1,
"payers": 1,
"uptime": 1,
"relevance": 1
},
"last_called_at": "2026-10-20T08:00:00Z"
}
],
"scoring": "score = 0.3 × relevance + 0.3 × payers + 0.25 × uptime + 0.15 × price ...",
"excluded": {
"above max_price_usd": 3
},
"considered": 18
}
}Tags
x402
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