Frankfurter · JSON Structure

V1 Base In Structure

baseIn schema from Frankfurter API

Type: Properties: 0
Currency ExchangeForeign ExchangeFXOpen-SourceMITSelf-HostedPublic APIs

baseIn is a JSON Structure definition published by Frankfurter. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Meta-schema: https://json-structure.org/meta/core/v0/#

JSON Structure

Raw ↑
{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/frankfurter/refs/heads/main/json-structure/v1-base-in-structure.json",
  "name": "baseIn",
  "description": "baseIn schema from Frankfurter API",
  "allOf": [
    {
      "$ref": "#/components/schemas/base"
    }
  ],
  "default": "EUR"
}

Work with this as data

Every JSON Structure here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for json structure

4 MCP tools reach this
  • find_json_structuresBrowse and filter every JSON Structure in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This JSON Structure
curl "https://apis.io/api/v1/json-structures/v1-base-in-structure"
All json structure
curl "https://apis.io/api/v1/json-structures?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.