ToolAssay

US real Gross Domestic Product, quarterly, in billions of chained 2017 dollars (

US real Gross Domestic Product, quarterly, in billions of chained 2017 dollars (seasonally adjusted annual rate), with the latest reading, prior quarter, quarter-over-quarter and year-over-year change, and recent history. No ticker needed. The broad measure of economic output for macro-aware analysis. Sourced from the St. Louis Fed (FRED). From x402stock

Answeringour last check, 2026-09-24
1 of 1checks answered this week
316 msmedian answer time
$0.01listed price per call
$0.01price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://x402stock.xyz/api/v1/gdp

CategoryCommerce and shopping
Provider hostx402stock.xyz
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days6 from 5 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-09-24 valid payment request 402$0.01 316 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {},
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {},
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "as_of": {
              "type": "string"
            },
            "change": {
              "anyOf": [
                {
                  "type": "number"
                },
                {
                  "type": "null"
                }
              ]
            },
            "change_percent": {
              "anyOf": [
                {
                  "type": "number"
                },
                {
                  "type": "null"
                }
              ]
            },
            "frequency": {
              "type": "string"
            },
            "history": {
              "items": {
                "additionalProperties": false,
                "properties": {
                  "date": {
                    "type": "string"
                  },
                  "value": {
                    "type": "number"
                  }
                },
                "required": [
                  "date",
                  "value"
                ],
                "type": "object"
              },
              "type": "array"
            },
            "latest": {
              "anyOf": [
                {
                  "additionalProperties": false,
                  "properties": {
                    "date": {
                      "type": "string"
                    },
                    "value": {
                      "type": "number"
                    }
                  },
                  "required": [
                    "date",
                    "value"
                  ],
                  "type": "object"
                },
                {
                  "type": "null"
                }
              ]
            },
            "prior": {
              "anyOf": [
                {
                  "additionalProperties": false,
                  "properties": {
                    "date": {
                      "type": "string"
                    },
                    "value": {
                      "type": "number"
                    }
                  },
                  "required": [
                    "date",
                    "value"
                  ],
                  "type": "object"
                },
                {
                  "type": "null"
                }
              ]
            },
            "series_id": {
              "type": "string"
            },
            "source": {
              "const": "fred",
              "type": "string"
            },
            "title": {
              "type": "string"
            },
            "unit": {
              "type": "string"
            },
            "yoy_percent": {
              "anyOf": [
                {
                  "type": "number"
                },
                {
                  "type": "null"
                }
              ]
            }
          },
          "required": [
            "source",
            "as_of",
            "series_id",
            "title",
            "unit",
            "frequency",
            "latest",
            "prior",
            "change",
            "change_percent",
            "yoy_percent",
            "history"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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