FDIC-insured US bank directory lookup
FDIC-insured US bank directory lookup. Lookup by name (fuzzy match), FDIC certificate number, RSSD ID, or state. Each record includes name + short name, web address, active flag, city/state/county/zip, established + insured dates, charter class, bank class, primary federal regulator, number of branches, assets and deposits ($1000s), and closed-date + reason for inactive institutions. Public-domain FDIC data, free.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
259 msmedian answer time
$0.003listed price per call
$0.003price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://2s.io/api/bank/lookup
| Category | Everything else |
|---|---|
| Provider host | 2s.io |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.003 | 259 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"limit": 3,
"name": "Wells Fargo",
"state": "CA"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"const": "GET"
},
"queryParams": {
"properties": {
"cert": {
"description": "FDIC certificate number (exact).",
"type": "string"
},
"limit": {
"default": 10,
"maximum": 50,
"minimum": 1,
"type": "integer"
},
"name": {
"description": "Fuzzy name search.",
"type": "string"
},
"offset": {
"default": 0,
"minimum": 0,
"type": "integer"
},
"rssdId": {
"description": "RSSD ID (exact).",
"type": "string"
},
"state": {
"description": "2-letter US state.",
"type": "string"
},
"status": {
"default": "active",
"enum": [
"active",
"inactive",
"any"
],
"type": "string"
}
}
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}