A WireMock simulation of Plaid's REST API — covering the institution directory, single-institution lookups, and institution health status.
A shared instance of this template runs on a public endpoint — call it right now from curl, an SDK, or an AI agent. Responses are fixed examples and behavior can't be changed; rate limits apply.
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A running WireMock Cloud instance of this template, callable right now from a terminal, a script, or an AI agent.
Endpoints
POST Get Institutions
curl -s -X POST 'https://05qyy.wiremockapi.cloud/institutions/get' \
-H 'Content-Type: application/json' \
-d '{}'POST Search Institutions
curl -s -X POST 'https://05qyy.wiremockapi.cloud/institutions/search' \
-H 'Content-Type: application/json' \
-d '{}'POST Get Institution by ID
curl -s -X POST 'https://05qyy.wiremockapi.cloud/institutions/get_by_id' \
-H 'Content-Type: application/json' \
-d '{}'Spec catalog — The Plaid API (2020-09-14_1.688.6) · 3 endpoints
| Method | Path | Summary |
|---|---|---|
| POST | /institutions/get | Get details of all supported institutions |
| POST | /institutions/get_by_id | Get details of an institution |
| POST | /institutions/search | Search institutions |
Unauthenticated WireMock Cloud demo sandbox for Plaid — not an official Plaid sandbox, and it returns simulated example data only.
The directory holds two banks and holds them consistently. First Platypus Bank is ins_109508 — the institution the rest of the Plaid template set hangs its fixtures on — and Second Platypus Bank exists to be different: it flies the oauth flag the first one lacks and carries its own routing number. /institutions/get returns both with product lists, country codes, and brand colors; /institutions/get_by_id narrows to the first and adds the one thing no other route carries, the health block — item_logins reporting HEALTHY over a success-rate breakdown — while /institutions/search answers a single-entry page.
No — any query string, product filter, or country list returns the same First Platypus page, so the route's value is contractual: your typeahead's request construction and response parsing run against the documented shape. When result filtering itself is the thing under test, a WireMock Cloud copy can match on the query field and serve different rosters per term.
A quirk of the stub data: the lookup record leaves the field blank where the directory entries say ins_109508. Assert on the name or routing number when reading this route, and on the id when reading the roster — or normalize the field away before comparison.
US institutions increasingly require OAuth-based linking, and linking flows branch on it — an OAuth handoff for one bank, credential fields for another. One roster read hands your router both cases, each attached to an otherwise-comparable institution.
Across the set. The Items & Webhooks template stamps it on every imported Item, and the data-product sandboxes report it as the institution behind their accounts, so a flow that joins directory metadata to account data keeps one consistent bank throughout.
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