SearchFields
SearchFields is an array of SearchField objects. The following validations apply: * If the searchFields array contains both TRANSACTION_AMOUNT and TRANSACTION_CURRENCY_CODE searchParameters, then the value of the "searchFieldCards" and "required" properties must be same for both items * If the searchFields array contains the TRANSACTION_AMOUNT searchParameter, then it must also contain the TRANSACTION_CURRENCY_CODE searchParameter (and vice versa)
Credit CardsDigital IdentityFinancial-ServicesFraud DetectionOpen BankingPaymentsFortune 500
Every JSON Schema 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 schemas
4 MCP tools reach this
find_json_schemasBrowse and filter every JSON Schema 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 Schema
curl "https://apis.io/api/v1/json-schemas/mastercard-ethoca-merchant-self-services-search-fields"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we
store it to create your key and to recognise you if you sign in with another
provider. See our Privacy Policy and
Terms.
A second provider on the same verified email joins the account you already have.