Yes. The Free tier is 600 requests a month at 100 requests a minute, across every endpoint in the catalogue, with no credit card. Nothing about it expires.

What happens when I hit the quota?

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Which tier do I need?

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Can I request a source that isn’t in the catalogue yet?

Yes, through the community Discord, on any tier.

Boj

Japan's monetary base and its components.

4 endpoints409 calls4/4 passing

Get API key

Monetary Base

GET/v1/finance:boj/monetary-base

passing · 0.4s6h cache

Parameters

Name	Type	In	Description
lang	enum	query	Language of the series names and units. Default en. One of en, ja.
from	string	query	Earliest month, YYYY-MM.
to	string	query	Latest month, YYYY-MM.
length	number	query	Observations per series, newest first. Default 60, max 20000.

Example response

{"project":"finance:boj",  "data": {"to":null,"from":null,"lang":"en","count":8,    "items": [      {"end":"2026-07","code":"MD01'MABS1AN11@","name":"Monetary Base/Average Amounts Outstanding/Year-on-year change","unit":"%","count":60,"start":"1971-01","total":559,        "values": [          {"value":-13.8,"period":"2026-07"          },          {"value":-13.7,"period":"2026-06"          },          {"value":-12.2,"period":"2026-05"          }        ],"lastUpdate":"2026-08-04","latestValue":-13.8,"latestPeriod":"2026-07"      },      {"end":"2026-07","code":"MD01'MABS2AN116@","name":"Monetary Base/Banknotes in Circulation/Average Amounts Outstanding/Year-on-year change","unit":"%","count":60,"start":"1971-01","total":559,        "values": [          {"value":-1.9,"period":"2026-07"          },          {"value":-1.8,"period":"2026-06"          },          {"value":-1.7,"period":"2026-05"          }        ],"lastUpdate":"2026-08-04","latestValue":-1.9,"latestPeriod":"2026-07"      },      {"end":"2026-07","code":"MD01'MABS2AN117@","name":"Monetary Base/Coins in Circulation/Average Amounts Outstanding/Year-on-year change","unit":"%","count":60,"start":"1971-01","total":559,        "values": [          {"value":-1.1,"period":"2026-07"          },          {"value":-1.1,"period":"2026-06"          },          {"value":-1.1,"period":"2026-05"          }        ],"lastUpdate":"2026-08-04","latestValue":-1.1,"latestPeriod":"2026-07"      }    ],"table":"md01_m_1","title":"Monetary Base/Average Amounts Outstanding (Monthly)","total":4472,"dataset":"monetary-base","provider":"boj","snapshotAt":"2026-08-21 AM 09:00"  },"timestamp":"2026-08-21T02:22:35Z"}

Errors

401Missing or invalid x-api-key
404Not found or private
429Rate limit or monthly quota reached

Table

One of the Bank of Japan's pre-built time-series tables.

GET/v1/finance:boj/table

passing · 0.2s6h cache

Parameters

Name	Type	In	Description
table	string	query	Table id. The 28 published ids come from `tables` — ir01_d_1, ir01_m_1, fm01_d_1, md01_m_1, bs02_m_1, ff_q_1, co_q_1 and so on. Required.
lang	enum	query	Language of the series names and units. Default en. One of en, ja.
from	string	query	Earliest period, YYYY, YYYY-MM or YYYY-MM-DD to match the table's own frequency.
to	string	query	Latest period, same format as `from`.
length	number	query	Observations per series, newest first. Default 120, max 20000.

Example response

{"project":"finance:boj",  "data": {"to":null,"from":null,"lang":"en","count":1,    "items": [      {"end":"2026-07","code":"IR01'MADR1M","name":"The Basic Discount Rate and Basic Loan Rate","unit":"Percent per annum","count":120,"start":"1882-10","total":559,        "values": [          {"value":1.25,"period":"2026-07"          },          {"value":1.25,"period":"2026-06"          },          {"value":1,"period":"2026-05"          },          {"value":1,"period":"2026-04"          },          {"value":1,"period":"2026-03"          },          {"value":1,"period":"2026-02"          },          {"value":1,"period":"2026-01"          },          {"value":1,"period":"2025-12"          }        ],"lastUpdate":"2026-08-04","latestValue":1.25,"latestPeriod":"2026-07"      }    ],"table":"ir01_m_1","title":"Basic Loan Rate (Monthly)","total":559,"dataset":"table","provider":"boj","snapshotAt":"2026-08-21 AM 09:00"  },"timestamp":"2026-08-21T02:22:35Z"}

Errors

401Missing or invalid x-api-key
404Not found or private
429Rate limit or monthly quota reached

Rates

The Bank of Japan's policy and money-market rates.

GET/v1/finance:boj/rates

passing · 0.4s6h cache

Parameters

Name	Type	In	Description
frequency	enum	query	daily reads ir01_d_1 and fm01_d_1, monthly reads ir01_m_1 and fm02_m_1. Default daily. One of daily, monthly.
lang	enum	query	Language of the series names and units. Default en. One of en, ja.
from	string	query	Earliest period, YYYY-MM-DD for daily or YYYY-MM for monthly.
to	string	query	Latest period, same format as `from`.
length	number	query	Observations per series, newest first. Default 60, max 20000.

Example response

{"project":"finance:boj",  "data": {"to":null,"from":null,"lang":"en","count":2,    "items": [      {"end":"2026-08-19","code":"IR01'MADR1Z@D","name":"The Basic Discount Rate and Basic Loan Rate","unit":"Percent per annum","count":60,"start":"1882-10-11","table":"ir01_d_1","total":10458,        "values": [          {"value":1.25,"period":"2026-08-19"          },          {"value":1.25,"period":"2026-08-18"          },          {"value":1.25,"period":"2026-08-17"          },          {"value":1.25,"period":"2026-08-16"          },          {"value":1.25,"period":"2026-08-15"          },          {"value":1.25,"period":"2026-08-14"          },          {"value":1.25,"period":"2026-08-13"          },          {"value":1.25,"period":"2026-08-12"          }        ],"lastUpdate":"2026-08-21","latestValue":1.25,"latestPeriod":"2026-08-19"      },      {"end":"2026-08-19","code":"FM01'STRDCLUCON","name":"Call Rate, Uncollateralized Overnight, Average (Daily)","unit":"percent per annum","count":60,"start":"1998-01-05","table":"fm01_d_1","total":10454,        "values": [          {"value":0.977,"period":"2026-08-19"          },          {"value":0.977,"period":"2026-08-18"          },          {"value":0.977,"period":"2026-08-17"          },          {"value":null,"period":"2026-08-16"          },          {"value":null,"period":"2026-08-15"          },          {"value":0.977,"period":"2026-08-14"          },          {"value":0.977,"period":"2026-08-13"          },          {"value":0.977,"period":"2026-08-12"          }        ],"lastUpdate":"2026-08-21","latestValue":0.977,"latestPeriod":"2026-08-19"      }    ],"total":20912,    "tables": [      "ir01_d_1",      "fm01_d_1"    ],"dataset":"rates","provider":"boj","frequency":"daily","snapshotAt":"2026-08-21 AM 09:00"  },"timestamp":"2026-08-21T02:22:35Z"}

Errors

401Missing or invalid x-api-key
404Not found or private
429Rate limit or monthly quota reached

Tables

The Bank of Japan's 28 pre-built time-series tables, with the frequency and

GET/v1/finance:boj/tables

passing · 0.3s1d cache

Parameters

Name	Type	In	Description
lang	enum	query	Language of the table and category names. Default en. One of en, ja.
query	string	query	Case-insensitive filter over the table id, name and category.

Example response

{"project":"finance:boj",  "data": {"lang":"en","count":28,    "items": [      {"name":"Basic Loan Rate","table":"ir01_d_1","csvUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/csv/ir01_d_1_en.csv","pageUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/ir01_d_1_en.html","category":"Interest Rates on Deposits and Loans","frequency":"daily","frequencyLabel":"Daily"      },      {"name":"Basic Loan Rate","table":"ir01_m_1","csvUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/csv/ir01_m_1_en.csv","pageUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/ir01_m_1_en.html","category":"Interest Rates on Deposits and Loans","frequency":"monthly","frequencyLabel":"Monthly"      },      {"name":"Average Interest Rates Posted at Financial Institutions by Type of Deposit","table":"ir02_m_1","csvUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/csv/ir02_m_1_en.csv","pageUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/ir02_m_1_en.html","category":"Interest Rates on Deposits and Loans","frequency":"monthly","frequencyLabel":"Monthly"      },      {"name":"Average Contracted Interest Rates on Loans and Discounts","table":"ir04_m_1","csvUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/csv/ir04_m_1_en.csv","pageUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/ir04_m_1_en.html","category":"Interest Rates on Deposits and Loans","frequency":"monthly","frequencyLabel":"Monthly"      },      {"name":"Call Rates","table":"fm01_d_1","csvUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/csv/fm01_d_1_en.csv","pageUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/fm01_d_1_en.html","category":"Financial Markets","frequency":"daily","frequencyLabel":"Daily"      },      {"name":"Call Rates","table":"fm02_m_1","csvUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/csv/fm02_m_1_en.csv","pageUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/fm02_m_1_en.html","category":"Financial Markets","frequency":"monthly","frequencyLabel":"Monthly"      },      {"name":"Foreign Exchange Rate(Tokyo Market Interbank Rates)","table":"fm08_d_1","csvUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/csv/fm08_d_1_en.csv","pageUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/fm08_d_1_en.html","category":"Financial Markets","frequency":"daily","frequencyLabel":"Daily"      },      {"name":"Foreign Exchange Rate(Tokyo Market Interbank Rates)","table":"fm08_m_1","csvUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/csv/fm08_m_1_en.csv","pageUrl":"https://www.stat-search.boj.or.jp/ssi/mtshtml/fm08_m_1_en.html","category":"Financial Markets","frequency":"monthly","frequencyLabel":"Monthly"      }    ],"query":null,"total":28,"dataset":"tables","provider":"boj"  },"timestamp":"2026-08-21T02:22:35Z"}

Errors

401Missing or invalid x-api-key
404Not found or private
429Rate limit or monthly quota reached

Try it

Live request with your key

const data = await client.run(  "finance:boj",  "monetary-base",  { lang: "en", from: "2025-01", to: "2026-07", length: 24 });

Boj

Japan's monetary base and its components.

4 endpoints409 calls4/4 passing

Get API key

GET/v1/…boj/monetary-base

passing · 0.4s6h cache

Try it

Parameters

lang

enum · query · optional

Language of the series names and units. Default en.

from

string · query · optional

Earliest month, YYYY-MM.

string · query · optional

Latest month, YYYY-MM.

length

number · query · optional

Observations per series, newest first. Default 60, max 20000.

Example response

{"project":"finance:boj",  "data": {"to":null,"from":null,"lang":"en","count":8,    "items": [      {"end":"2026-07","code":"MD01'MABS1AN11@","name":"Monetary Base/Average Amounts Outstanding/Year-on-year change","unit":"%","count":60,"start":"1971-01","total":559,        "values": [          {"value":-13.8,"period":"2026-07"          },          {"value":-13.7,"period":"2026-06"          },          {"value":-12.2,"period":"2026-05"          }        ],"lastUpdate":"2026-08-04","latestValue":-13.8,"latestPeriod":"2026-07"      },      {"end":"2026-07","code":"MD01'MABS2AN116@","name":"Monetary Base/Banknotes in Circulation/Average Amounts Outstanding/Year-on-year change","unit":"%","count":60,"start":"1971-01","total":559,        "values": [          {"value":-1.9,"period":"2026-07"          },          {"value":-1.8,"period":"2026-06"          },          {"value":-1.7,"period":"2026-05"          }        ],"lastUpdate":"2026-08-04","latestValue":-1.9,"latestPeriod":"2026-07"      },      {"end":"2026-07","code":"MD01'MABS2AN117@","name":"Monetary Base/Coins in Circulation/Average Amounts Outstanding/Year-on-year change","unit":"%","count":60,"start":"1971-01","total":559,        "values": [          {"value":-1.1,"period":"2026-07"          },          {"value":-1.1,"period":"2026-06"          },          {"value":-1.1,"period":"2026-05"          }        ],"lastUpdate":"2026-08-04","latestValue":-1.1,"latestPeriod":"2026-07"      }    ],"table":"md01_m_1","title":"Monetary Base/Average Amounts Outstanding (Monthly)","total":4472,"dataset":"monetary-base","provider":"boj","snapshotAt":"2026-08-21 AM 09:00"  },"timestamp":"2026-08-21T02:22:35Z"}

Errors

401Missing or invalid x-api-key
404Not found or private
429Rate limit or monthly quota reached

Code

const data = await client.run(  "finance:boj",  "monetary-base",  { lang: "en", from: "2025-01", to: "2026-07", length: 24 });