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2s.io BIC/SWIFT Code Validator
x402
2s.io BIC/SWIFT Code Validator is a paid API for AI agents from 2s.io, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Validates the structure and format of a SWIFT/BIC code (ISO 9362) and returns parsed components including institution, country, location, and branch.
Price / call$0.001
Success—
StatusUnknown
How this service works
Validate a SWIFT/BIC code (ISO 9362): 8 or 11 characters = 4-letter institution + 2-letter ISO country + 2-char location + optional 3-char branch, with the country position checked against ISO 3166. Returns {valid, bic, institution, country, location, branch, reason}. Structure validation only — not a SWIFT-directory existence lookup.
Output
Returns a JSON object with: valid (boolean), bic (normalized code), institution (4-letter bank code), country (2-letter ISO code), location (2-char location code), branch (3-char branch code or null), and reason (error description if invalid).
Example use cases
Example prompt
“Can you check if DEUTDEDB is a valid BIC/SWIFT code and tell me what bank and country it belongs to?”
Technical details
Endpoint
GEThttps://2s.io/api/validate/bicWhen to prefer
Use this endpoint when you need to validate the format and structure of a BIC/SWIFT code before sending an international wire transfer or when building forms that accept bank identifiers. It is lightweight, inexpensive, and returns parsed components. Note: it does NOT verify the code exists in the live SWIFT directory — use a SWIFT directory lookup for existence checks.
Side effects
- Missing bic query parameter returns an error response
- BIC shorter than 8 or longer than 11 characters returns valid:false with a reason
- Invalid country code position (not matching ISO 3166) returns valid:false
- Non-alphabetic characters in wrong positions return valid:false
- This is structure validation only — a structurally valid BIC may not exist in the SWIFT directory
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"bic": "DEUTDEDB"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"data": {
"ok": true,
"items": [
{
"bic": "DEUTDEDB",
"input": "DEUTDEDB",
"valid": true,
"branch": null,
"reason": null,
"country": "DE",
"location": "DB",
"institution": "DEUT"
}
],
"total": 1,
"source": {
"url": "https://2s.io",
"license": "No upstream license — computed by 2s.io",
"provider": "2s.io BIC validator"
}
},
"meta": {
"cost": {
"usd": 0.001,
"tier": 0
},
"caller": "x402",
"version": null,
"endpoint": "validate.bic",
"settlement": {
"txHash": "0x13d17a1b95aa6a8a43316fa7be756196285912bc78136829f124df7316dbca56",
"network": "eip155:8453",
"success": true
}
}
}Tags
x402
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