# SignalsFeed Central Bank Policy API

> SignalsFeed Central Bank Policy API is a paid API for AI agents from signalsfeed.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Returns structured signals on Federal Reserve and ECB policy decisions, interest rate changes, treasury yields, and fiscal policy shifts with credibility scoring

## Facts

- Endpoint: GET https://signalsfeed.com/api/v1/policy
- 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/signalsfeed-com-4f474d4a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_sr2VEPlQs3HN6xS0bv1dY

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 signalsfeed-com-4f474d4a
```

Example prompt: What's the current stance of the Fed and ECB — are they hiking, cutting, or holding — and how credible are those signals? Give me structured policy data with credibility scores.

## When to prefer this

Choose this endpoint when you need structured, credibility-scored signals specifically about central bank policy (Fed/ECB), interest rate decisions, treasury yields, or fiscal policy — especially in agentic or automated workflows that require pay-per-request access without a subscription commitment.

## Known failure modes

- Payment not provided or invalid x402 payment header — returns 402 Payment Required
- Invalid or unsupported filter parameters — returns 400 Bad Request
- Data temporarily unavailable due to upstream source delays — returns 503
- Rate limit exceeded — returns 429 Too Many Requests

## How this service works

Central bank policy API for agents. Covers Federal Reserve and ECB policy, interest rates, treasury yields, and fiscal policy shifts. Structured signals with credibility scoring. Pay-per-request via x402; free discovery available.

## Output

Returns structured policy signals covering Federal Reserve and ECB decisions, current interest rate levels, treasury yield data, and fiscal policy shifts, each tagged with a credibility score to indicate signal reliability.

## Example request

```json
{
 "limit": 20,
 "since": "2024-01-01T00:00:00Z",
 "preview": true,
 "include_topics": true,
 "quality_status": "premium"
}
```

## Request schema (JSON Schema)

```json
{
 "properties": {
  "input": {
   "properties": {
    "body": {
     "type": "object",
     "properties": {},
     "additionalProperties": false
    },
    "queryParams": {
     "type": "object",
     "required": [
      "ids"
     ],
     "properties": {
      "ids": {
       "type": "string",
       "description": "Comma-separated article UUIDs. Max 20 per paid request."
      },
      "limit": {
       "type": "integer",
       "default": 20,
       "maximum": 20,
       "minimum": 1
      }
     },
     "additionalProperties": false
    }
   }
  },
  "output": {
   "properties": {
    "example": {
     "count": 0,
     "format": "full",
     "signals": []
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "count": 0,
  "format": "full",
  "signals": []
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/signalsfeed-com-4f474d4a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from signalsfeed.com](https://www.zero.xyz/host/signalsfeed.com/llms.txt)