Index onlineMerchant portal
Api Endpoint

opendata402

Any time series from the ECB Data Portal by flow and series key (e.g. EXR/D.USD.EUR.SP00.A for USD/EUR, FM/B.U2.EUR.4F.KR.DFR.LEV for the deposit rate, ICP/M.U2.N.000000.4.ANR for euro area inflation), last N observations. Use it for euro area rates, money, banking and prices. Note: free of charge at ecb.europa.eu; you pay for access, not for the data.

Open interactive test console

Offering

Provider
opendata402.com
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://opendata402.com/v1/ecb/series
MIME type
application/json
First seen
2026-10-16T01:50:24.663Z
Last seen
Tags
ECB, time-series, euro, Finance, statistics

Website

Payment pricing

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

Payment option 1
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.001 USDC
Atomic price: 1000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 3
0.001 USDC
Atomic price: 1000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "1000",
    "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "1000",
    "payTo": "0x295AA6c5a3460A0f8755823C8eE7bBC7CAf79fb1"
  }
]

Observed health

Status
Healthy
Latest latency
205 ms
Average latency
668 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"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "key": {
          "type": "string",
          "pattern": "^[A-Z0-9_]{2,20}/[A-Za-z0-9_.+]{3,120}$",
          "description": "FLOW/SERIESKEY."
        },
        "last": {
          "type": "string",
          "pattern": "^([1-9]|[1-9][0-9]|[1-4][0-9][0-9]|500)$",
          "description": "Latest N observations (default 12, max 500)."
        }
      },
      "required": [
        "key"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "key": {
              "description": "FLOW/SERIESKEY.",
              "pattern": "^[A-Z0-9_]{2,20}/[A-Za-z0-9_.+]{3,120}$",
              "type": "string"
            },
            "last": {
              "description": "Latest N observations (default 12, max 500).",
              "pattern": "^([1-9]|[1-9][0-9]|[1-4][0-9][0-9]|500)$",
              "type": "string"
            }
          },
          "required": [
            "key"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}