# Tarnak x402 Toolkit — DepIN Provider Rank API

> Tarnak x402 Toolkit — DepIN Provider Rank API is a paid API for AI agents from api.capousd-student-tools.me, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-31).

Returns a ranked list of decentralized infrastructure (DepIN) compute providers, optionally filtered by network, with uptime, GPU model, and pricing data.

## Facts

- Endpoint: GET https://api.capousd-student-tools.me/v1/providers/rank?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/tarnak-x402-toolkit-depin-provider-rank-api-e3696506
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_HRSsL0cpk0bq5oWhrzMla

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 tarnak-x402-toolkit-depin-provider-rank-api-e3696506
```

Example prompt: Show me the ranked list of DepIN compute providers on the Base network — I want to see their GPU models, uptime, and hourly price so I can pick the best one.

## When to prefer this

Choose this endpoint when you need a ranked, structured list of DepIN compute providers with uptime and pricing metadata, especially for agents operating on Base that need keyless pay-per-call access via x402 without API keys or signup.

## Known failure modes

- Invalid or unsupported network filter value returns empty or error response
- Payment not provided or insufficient USDC balance triggers 402 Payment Required
- Rate limit exceeded after 10 free daily verdicts per IP returns 429
- Malformed query parameters return 400 Bad Request
- Upstream DepIN data unavailable may return 503 or stale data

## How this service works

Keyless pay-per-call APIs for AI agents on Base: token risk verdict, rug/honeypot report, gas estimate, URL-to-markdown and more. x402 v2, USDC, no API key or signup. 10 free verdicts per IP per day.

## Output

A JSON array of ranked DepIN provider objects, each including provider ID, timestamp, network, GPU model, 30-day uptime percentage, and price in USD per hour.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "network": {
       "type": "string",
       "description": "DepIN network filter."
      }
     },
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ranked": [
   {
    "id": "provider-1",
    "ts": "2026-10-27T00:00:00Z",
    "network": "base",
    "gpu_model": "A100",
    "uptime_30d": 0.99,
    "price_usd_hr": 1.2
   }
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/tarnak-x402-toolkit-depin-provider-rank-api-e3696506/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.capousd-student-tools.me](https://www.zero.xyz/host/api.capousd-student-tools.me/llms.txt)