Api Endpoint

EU Yield Curve API

Latest euro area risk-free spot yields from the ECB Data Portal (dataset YC, AAA-rated central government bonds, Svensson model; updated each business day ~12:00 CET). Query: ?tenors=3M,1Y,2Y,5Y,10Y,30Y (1-8 tenors from 3M to 30Y). Returns yields_pct per tenor, observation date, and the 2s10s spread in bp when 2Y and 10Y are requested. 1h cache.

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/eu/yield-curve
MIME type
application/json
First seen
2026-10-16T01:51:20.002Z
Last seen
Tags
Rates, yield-curve, bonds, ECB, euro, Finance

Payment pricing

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

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff"
  }
]

Observed health

Status
Healthy
Latest latency
101 ms
Average latency
193 ms
HTTP status
402
Last checked
Reachability
100% over 13 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": {
        "tenors": {
          "type": "string",
          "description": "Comma-separated tenors (1-8) among 3M,6M,9M,1Y..10Y,15Y,20Y,25Y,30Y",
          "default": "3M,1Y,2Y,5Y,10Y,30Y"
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "date": "2026-07-09",
    "source": "ECB Data Portal, dataset YC (euro area AAA central government bonds, Svensson spot rates)",
    "yields_pct": {
      "1Y": 2.5258,
      "2Y": 2.6146,
      "3M": 2.3222,
      "5Y": 2.7629,
      "10Y": 3.1292,
      "30Y": 3.6265
    },
    "spread_2s10s_bp": 51.46
  }
}