# AgentServices Crypto Correlation API

> AgentServices Crypto Correlation API is a paid API for AI agents from agentservices.to, paid per call via x402, $0.03/call, status unknown (last checked 2026-09-14).

Returns correlation coefficients between crypto assets over a specified number of days

## Facts

- Endpoint: GET https://agentservices.to/v1/correlation
- Price: $0.03/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agentservices-crypto-correlation-api-f260b66d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_bUDtvPUMxN-XOa-qBG8AX

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 agentservices-crypto-correlation-api-f260b66d
```

Example prompt: Can you pull the crypto asset correlation data for the last 30 days so I can see which coins are moving together and which are more independent for my portfolio diversification analysis?

## When to prefer this

Choose this endpoint when you need quantitative crypto asset correlation data for portfolio analysis, risk management, or trading strategy development. It is particularly useful for AI agents performing automated portfolio rebalancing or diversification checks. The x402 micropayment model at $0.03 per call makes it cost-effective for frequent on-demand lookups without subscription overhead.

## Known failure modes

- Invalid or missing 'days' parameter returns an error response
- Requesting an excessively large number of days may exceed available historical data
- Payment failure via x402 micropayment results in 402 Payment Required response
- Service downtime or upstream data provider issues may return 5xx errors

## How this service works

Paid data APIs for AI agents. Crypto market data, DeFi yields, IP geolocation, dispute resolution, marketing intelligence. Powered by x402 micropayments on Base.

## Output

Returns correlation coefficient data between cryptocurrency assets over the requested lookback window (in days). The response likely includes a correlation matrix or pairwise correlation scores indicating how closely different crypto assets move together, useful for portfolio construction and risk analysis.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "days": {
   "type": "integer"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agentservices-crypto-correlation-api-f260b66d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agentservices.to](https://www.zero.xyz/host/agentservices.to/llms.txt)