# Signal Oracle 30-Year Fixed Mortgage Rate

> Signal Oracle 30-Year Fixed Mortgage Rate is a paid API for AI agents from oracles-production.up.railway.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).

Returns the latest reported 30-year fixed mortgage rate (%) along with its observation date.

## Facts

- Endpoint: GET https://oracles-production.up.railway.app/v1/econ-mortgage/status
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/signal-oracle-30-year-fixed-mortgage-rate-0b577978
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_S2sBmJceSzro2SmNwzSid

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 signal-oracle-30-year-fixed-mortgage-rate-0b577978
```

Example prompt: What's the latest 30-year fixed mortgage rate? Pull the most recent observed value and date from Signal Oracle.

## When to prefer this

Use this endpoint when you need the latest single-point 30-year fixed mortgage rate value with its observation date, particularly for real estate analysis, financial planning tools, or macroeconomic monitoring. Prefer this over building your own data pipeline when you need a quick, pay-per-call lookup without a subscription.

## Known failure modes

- No data available if the underlying source has not reported a new rate recently
- Invalid entity ID returns an error or empty response
- Service unavailable if the Railway deployment is down
- Payment failure if the x402 USDC payment is not completed

## How this service works

Latest reported 30-year fixed mortgage rate value (%) with its observation date.

## Output

Returns the latest reported 30-year fixed mortgage rate as a percentage and its associated observation date, sourced from Signal Oracle's economic data feed.

## 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"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "id": {
       "type": "string",
       "description": "entityId to look up; omit to list tracked entities"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "entity": {
       "type": "object"
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/signal-oracle-30-year-fixed-mortgage-rate-0b577978/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from oracles-production.up.railway.app](https://www.zero.xyz/host/oracles-production.up.railway.app/llms.txt)
