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Api Endpoint

OECD CPI Feed

Headline national CPI, year-on-year growth rate (%), monthly, from the official OECD SDMX API (dataset DSD_PRICES@DF_PRICES_ALL). Complements Eurostat HICP with USA, GBR, JPN, CAN and other OECD economies under one methodology. Query: ?country=USA (REF_AREA code) &last_n=12 (1-24 months, default 1). Returns date-sorted observations plus the latest print; 24h cache. Recency varies by country; series older than 18 months are refused (502, not charged). Data: OECD, CC BY 4.0.

Open interactive test console

Offering

Provider
data.greeneris.io
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://data.greeneris.io/v1/oecd/cpi
MIME type
application/json
First seen
2026-10-16T02:00:30.940Z
Last seen
Tags
inflation, cpi, oecd, Macro, Prices, usa

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.002 USDC
Atomic price: 2000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff"
  }
]

Observed health

Status
Healthy
Latest latency
105 ms
Average latency
289 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "country": {
          "type": "string",
          "description": "OECD REF_AREA code (USA, GBR, JPN, FRA...)",
          "default": "USA"
        },
        "last_n": {
          "type": "integer",
          "description": "Number of most recent months (1-24)",
          "default": 1
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "source": "OECD Data Explorer, dataset DSD_PRICES@DF_PRICES_ALL (CC BY 4.0)",
    "country": "FRA",
    "measure": "Consumer price index, all items, annual growth rate, percent",
    "country_name": "France",
    "observations": [
      {
        "period": "2025-11",
        "annual_rate_percent": 0.7919967
      },
      {
        "period": "2025-12",
        "annual_rate_percent": 0.9021049
      }
    ],
    "latest_period": "2025-12",
    "latest_annual_rate_percent": 0.9021049
  }
}