> For the complete documentation index, see [llms.txt](https://doc.duaer.com/zh/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.duaer.com/zh/getting-started/ecb.md).

# 在 Duaer 里查欧洲央行统计

在 Duaer 里：按数据流与序列键查询欧洲央行统计：欧元参考汇率、利率、通胀与货币统计。一次成功查询用 1 额度。
## 能拿到什么

Duaer 数据市场里的「欧洲央行统计」：按数据流与序列键查询欧洲央行统计：欧元参考汇率、利率、通胀与货币统计。查到结果时用 1 额度，结果交给数字组织的下一个节点。

从节点创建器选 Duaer 数据 → 欧洲央行统计，或打开 [数据市场](/zh/getting-started/data-market.md)。相关：[国际清算银行统计](/zh/getting-started/bis.md)、[欧盟统计局数据](/zh/getting-started/eurostat.md)。

## 适合做什么

- 拉取欧元兑美元、日元、人民币的参考汇率。
- 跟踪欧元区通胀与存款便利利率。

## 在画布里检索

1. 打开节点创建器，选 Duaer 数据 → ECB statistics。
2. 填 Dataflow（如 EXR）与 Series Key（如 M.USD+JPY+CNY.EUR.SP00.A）；Latest Observations 可选。
3. Limit 默认 10，最大 20。执行。

查到结果才扣 1 额度；没有结果、输入有误或上游失败都不扣。

## 用 API 调用

- GET https://api.duaer.com/v1/data/ecb?dataflow=EXR&key=M.USD%2BJPY.EUR.SP00.A
- Authorization: Bearer <Duaer key>

下方是与数据市场「复制技能」相同的英文技能，含参数、示例与返回字段。

## 调用技能（英文）

与数据市场「复制技能」一致。

```
---
name: duaer-ecb
description: >-
  Duaer ECB statistics. European Central Bank series by dataflow and key: euro reference exchange rates, interest rates, inflation, and money statistics.
  One successful search uses 1 Duaer credit.
---

# Duaer ECB statistics

Duaer ECB statistics reads series from the ECB Data Portal. A series is a dataflow plus a dotted key; use + to ask for several values in one position.

## When to use

- Get monthly euro reference rates for several currencies.
- Pull euro area inflation or policy rates into a table.

## When not to use

- Daily market rates for any pair. Use https://skills.duaer.com/exchange-rates.md.
- Central bank rates outside the euro area. Use https://skills.duaer.com/bis.md.

## Call

`GET https://api.duaer.com/v1/data/ecb?dataflow=EXR&key=M.USD%2BJPY.EUR.SP00.A`

Header: `Authorization: Bearer <Duaer key>`

Use an account key or a model API key.

Get a Duaer key: https://skills.duaer.com/keys.md

## Parameters

Provide `dataflow` and `key`.

- `dataflow` — Dataflow such as EXR (exchange rates), FM (financial markets), or ICP (inflation).
- `key` — Series key with + for several values, such as M.USD+JPY.EUR.SP00.A. Encode + as %2B in a URL.
- `observations` — Optional. Latest periods per series, 1 to 60. Default 5.
- `limit` — Optional. Rows to return, from 1 to 20. Default 10.

Common keys: `EXR` `D.USD.EUR.SP00.A` daily dollar rate; `ICP` `M.U2.N.000000.4.ANR` euro area inflation; `FM` `D.U2.EUR.4F.KR.DFR.LEV` deposit facility rate.

## Examples

- `GET https://api.duaer.com/v1/data/ecb?dataflow=EXR&key=M.USD%2BJPY.EUR.SP00.A` — monthly dollar and yen rates against the euro.
- `GET https://api.duaer.com/v1/data/ecb?dataflow=ICP&key=M.U2.N.000000.4.ANR&observations=12` — euro area inflation for a year.

## Result

The response is `{ "items": [...] }`. Each item has `source`, `title`, `url`, and `summary`, plus:

- `series`, `seriesTitle` — series key and ECB title.
- `period`, `value` — time period and figure, newest first.
- One field per key dimension, such as `CURRENCY`.

Fields without a value are left out.

## Credits

A search that returns at least one row uses 1 credit.
An empty search, a search that finds nothing, or a failed search uses 0.
Wrong input returns 400 with a message and uses 0.
No remaining credits returns 402 and does not search.
A missing key returns 401.

## Related

- https://skills.duaer.com/bis.md — Duaer BIS statistics
- https://skills.duaer.com/eurostat.md — Duaer Eurostat statistics

```
## Questions

### Duaer 的欧洲央行统计检索扣多少额度？

查到结果时扣 1 额度；没有结果或出错不扣。

### Duaer 欧洲央行统计的 Series Key 怎么写？

用点分隔各维度，同一位置用 + 取多个值；例如 D.USD.EUR.SP00.A 是每日美元汇率。

## 相关

- [在 Duaer 里查国际清算银行统计](https://doc.duaer.com/zh/getting-started/bis.md)
- [在 Duaer 里查欧盟统计局数据](https://doc.duaer.com/zh/getting-started/eurostat.md)