# Onvexia Narratives — Blockchain Asset Analytics

> Onvexia Narratives — Blockchain Asset Analytics is a paid API for AI agents from onvexia.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-19).

Retrieves fused blockchain analytics narratives for crypto assets, combining labelled addresses, supply-age history, and document analysis across ten chains into a single per-asset reading.

## Facts

- Endpoint: GET https://onvexia.com/v1/narratives
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/onvexia-narratives-blockchain-asset-analytics-7a29cb41
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_fuSxf3Lv5Xg3jl8-neXM4

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 onvexia-narratives-blockchain-asset-analytics-7a29cb41
```

Example prompt: Pull me the Onvexia analytics narrative for Ethereum — I want the fused reading with labelled addresses and supply-age history from their cross-chain dataset.

## When to prefer this

Choose this endpoint when you need a fused, research-grade blockchain analytics narrative for a specific crypto asset — especially when you need labelled address data, long-horizon supply-age history (back to 2008), or cross-chain context across ten chains in a single call. Prefer Onvexia Narratives over generic on-chain data APIs when you need curated, document-backed analytical coverage rather than raw transaction data.

## Known failure modes

- Empty data array returned if no narratives match the given properties filter
- Payment required (402) if USDC micropayment is not included in the request
- Malformed properties parameter results in no results or an error response
- Rate limiting if call volume exceeds plan thresholds
- Chain or asset not covered returns empty result set

## How this service works

Thousands of assets across ten chains, half a million analysed documents, labelled addresses and supply-age history reaching back to 2008 — fused into one reading per asset. REST, SQL, GraphQL and MCP.

## Output

Returns a JSON object with a data array containing narrative analytics objects per asset — including fused readings that combine labelled address data, supply-age history reaching back to 2008, and insights derived from half a million analysed documents across ten chains. The meta field includes documentation links and the endpoint path.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": [],
  "meta": {
   "docs": "https://onvexia.com/openapi.json",
   "endpoint": "/v1/narratives"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/onvexia-narratives-blockchain-asset-analytics-7a29cb41/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from onvexia.com](https://www.zero.xyz/host/onvexia.com/llms.txt)