# RadhikaChain Signals — Chain Trading Signals via x402

> RadhikaChain Signals — Chain Trading Signals via x402 is a paid API for AI agents from x402.radhikatmosphere.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-13).

Returns real-time on-chain trading signals (ticker, direction, confidence, price levels) paid per-call in USDC via x402 on Base

## Facts

- Endpoint: GET https://x402.radhikatmosphere.com/signals
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/radhikachain-signals-chain-trading-signals-via-x402-f123cbbb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_GjOf9ZAWbpMjKvlJ9FWA9

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 radhikachain-signals-chain-trading-signals-via-x402-f123cbbb
```

Example prompt: Pull the latest on-chain trading signals from RadhikaChain right now — I want to see which assets have high-confidence LONG or SHORT reversion setups, including their entry prices and target prices.

## When to prefer this

Choose this endpoint when you need real-time, per-call on-chain trading signals (LONG/SHORT reversion setups with confidence scores and price levels) without committing to a subscription or account. Ideal for agents that need on-demand chain intelligence paid micropayments in USDC on Base via x402. Prefer over traditional trading signal APIs when trustless, account-free access is required.

## Known failure modes

- 402 Payment Required if x402 USDC payment on Base is not included or is malformed
- Invalid or expired payment token returns payment error
- Network or endpoint downtime returns 5xx error
- Empty rows array if no active signals at query time
- Malformed response if query parameters are unsupported

## How this service works

Telemetria de cadena, inteligencia de defensa y computo verificable (Halo2, Nova, Plonky3). Pago por peticion en USDC nativo en Base (eip155:8453) mediante x402 v2 scheme exact; sin cuenta ni suscripcion. Catalogo canonico: GET /.well-known/x402.

## Output

Returns a JSON array of signal rows, each containing: Unix timestamp, ticker symbol (e.g. ENA, ETH), signal direction string (e.g. 'LONG (reversion)'), entry price, target price, confidence score (integer, e.g. 95), and an additional numeric metric. Multiple signals may be returned per call.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "properties": {
  "input": {
   "type": "object",
   "properties": {
    "body": {
     "type": "object",
     "additionalProperties": true
    },
    "queryParams": {
     "type": "object",
     "additionalProperties": true
    }
   }
  },
  "output": {
   "type": "object",
   "properties": {
    "example": {
     "type": "object",
     "additionalProperties": true
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "rows": [
   [
    1787625119,
    "ENA",
    "LONG (reversion)",
    0.4134879218801933,
    0.4918380967303919,
    95,
    0.15892
   ],
   [
    1787624492,
    "ETH",
    "LONG (reversion)",
    0.4029396779762464,
    0.4380951295374778,
    95,
    2517
   ]
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/radhikachain-signals-chain-trading-signals-via-x402-f123cbbb/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.radhikatmosphere.com](https://www.zero.xyz/host/x402.radhikatmosphere.com/llms.txt)