# SourceStrand Asset Coverage Readiness

> SourceStrand Asset Coverage Readiness is a paid API for AI agents from api.sourcestrand.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Returns precomputed coverage readiness metadata for major crypto assets (BTC, ETH, SOL, SUI, ADA) including freshness, answerability, lineage, and limitations — helping agents decide before making paid context requests.

## Facts

- Endpoint: GET https://api.sourcestrand.com/v1/paid/crypto/workbench/asset-coverage-readiness
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/sourcestrand-asset-coverage-readiness-cde72f4a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_t_SMBCfWnfv5_sY0OedWj

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 sourcestrand-asset-coverage-readiness-cde72f4a
```

Example prompt: Before I pay for any crypto context requests, pull the asset-coverage-readiness pack from SourceStrand to check which of BTC, ETH, SOL, SUI, and ADA have fresh, answerable data and flag any known limitations.

## When to prefer this

Use this endpoint as a pre-flight check before invoking more expensive paid crypto context endpoints. Ideal when an agent needs to know whether asset data for BTC, ETH, SOL, SUI, or ADA is fresh and answerable before committing USDC to a deeper data request. Prefer this over direct data queries when cost efficiency and data quality validation are priorities.

## Known failure modes

- Invalid or missing 'pack' query parameter returns an error
- Pack enum value not matching 'asset-coverage-readiness' causes rejection
- Payment of $0.01 USDC not provided triggers 402 Payment Required
- Stale precomputed data may not reflect very recent market events
- Network timeout if the precomputed cache is being refreshed

## How this service works

Asset Coverage Readiness by SourceStrand Crypto Workbench Pack. Precomputed BTC ETH SOL SUI ADA coverage, freshness, answerability, lineage, and limitations for AI agents before paid crypto context requests.

## Output

A precomputed readiness report covering the five major crypto assets (BTC, ETH, SOL, SUI, ADA), including data freshness timestamps, answerability scores, data lineage information, and a list of known limitations or gaps — allowing agents to make informed decisions about whether to proceed with paid context requests.

## 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",
     "required": [
      "pack"
     ],
     "properties": {
      "pack": {
       "enum": [
        "asset-coverage-readiness",
        "market-regime-digest",
        "liquidity-volatility-watchlist"
       ],
       "type": "string",
       "description": "Precomputed aggregate crypto workbench pack to fetch."
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/sourcestrand-asset-coverage-readiness-cde72f4a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.sourcestrand.com](https://www.zero.xyz/host/api.sourcestrand.com/llms.txt)