# Frontera Signal – Calls Scoreboard

> Frontera Signal – Calls Scoreboard is a paid API for AI agents from fronterasignal.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-10).

Returns a weekly scoreboard of research 'calls' (forecasts/claims) with grading and resolution status for Hidalgo and Cameron counties construction markets.

## Facts

- Endpoint: GET https://fronterasignal.com/api/v1/series/calls?utm_source=zero.xyz
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/frontera-signal-calls-scoreboard-7c678664
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ufzTTc05X6tPsfX2FZ6R5

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 frontera-signal-calls-scoreboard-7c678664
```

Example prompt: Pull the Frontera Signal calls scoreboard for Hidalgo and Cameron counties from week 2026-W35 to 2026-W39 so I can see which construction market predictions are still open and how the graded ones turned out.

## When to prefer this

Choose this endpoint when you need structured, graded research calls (forecasts/predictions) specifically for the Hidalgo and Cameron County construction and housing markets in South Texas. It is ideal for tracking whether specific market claims were resolved, are still open, or were graded correct/incorrect over a given ISO week range. Prefer it over general news or permit-data endpoints when your goal is to audit or monitor Frontera Signal's published research assertions over time.

## Known failure modes

- Invalid ISO week format in 'from' or 'to' params returns an error
- Date range with no data returns an empty rows array
- Requesting future weeks beyond latest_week may return no rows
- Payment failure (x402) blocks access to the endpoint
- Stale data warning if queried data is older than 14 days

## How this service works

Use when you want to check how reliable Frontera Signal forecasts are before trusting them: every dated call with its resolve-by date and grade (HIT, MISS, PUSH or OPEN).

## Output

A JSON object containing an array of weekly call rows, each with week_id, claim_id, claim_text, resolve_by date, grade (e.g. OPEN), status (e.g. reported), and source. Also includes metadata: series name ('calls'), cadence ('weekly'), publisher, schema version, latest_week, and a stale-data disclaimer.

## 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": {
      "to": {
       "type": "string",
       "description": "Last ISO week to include, YYYY-Www."
      },
      "from": {
       "type": "string",
       "description": "First ISO week to include, YYYY-Www."
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "rows": {
       "type": "array",
       "items": {
        "type": "object",
        "properties": {
         "grade": {
          "type": [
           "string",
           "null"
          ]
         },
         "source": {
          "type": [
           "string",
           "null"
          ]
         },
         "status": {
          "type": "string"
         },
         "week_id": {
          "type": "string"
         },
         "claim_id": {
          "type": [
           "string",
           "null"
          ]
         },
         "claim_text": {
          "type": [
           "string",
           "null"
          ]
         },
         "resolve_by": {
          "type": [
           "string",
           "null"
          ]
         }
        }
       }
      },
      "query": {
       "type": "object",
       "properties": {
        "to": {
         "type": "string"
        },
        "from": {
         "type": "string"
        }
       }
      },
      "title": {
       "type": "string"
      },
      "fields": {
       "type": "array",
       "items": {
        "type": "string"
       }
      },
      "series": {
       "type": "string"
      },
      "cadence": {
       "type": "string"
      },
      "returned": {
       "type": "integer"
      },
      "publisher": {
       "type": "string"
      },
      "disclaimer": {
       "type": "string"
      },
      "latest_week": {
       "type": "string"
      },
      "schema_version": {
       "type": "string"
      }
     }
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "rows": [
   {
    "grade": "OPEN",
    "source": "Frontera Signal",
    "status": "reported",
    "week_id": "2026-W39",
    "claim_id": "W39-no-hidalgo-spec",
    "claim_text": "Do not start unsold Hidalgo spec in the next 60 days",
    "resolve_by": "2026-11-26"
   }
  ],
  "query": {
   "to": "2026-W39",
   "from": "2026-W39"
  },
  "title": "Calls scoreboard",
  "fields": [
   "week_id",
   "claim_id",
   "claim_text",
   "resolve_by",
   "grade",
   "status",
   "source"
  ],
  "series": "calls",
  "cadence": "weekly",
  "returned": 7,
  "publisher": "Frontera Signal",
  "disclaimer": "Every value carries as_of, age_days, cadence and stale (weekly measures go stale after 14 days, monthly measures after …",
  "latest_week": "2026-W39",
  "schema_version": "2.0"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/frontera-signal-calls-scoreboard-7c678664/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from fronterasignal.com](https://www.zero.xyz/host/fronterasignal.com/llms.txt)