SWIFT Code BOFAUS3N

You’re preparing to send or receive a cross-border payment and need to be certain the SWIFT/BIC BOFAUS3N actually identifies Bank of America, N.A. in the correct city and status. By the end of this article, you’ll validate BOFAUS3N against a live API, understand the returned fields you must check before dispatching funds, and integrate this validation into your onboarding and payment flows.

What BOFAUS3N Represents and How SWIFT/BIC Codes Work

BOFAUS3N is a SWIFT/BIC code. SWIFT codes are 8 or 11 alphanumeric characters used worldwide to identify a financial institution and (optionally) its branch for international transfers and messaging. The structure is:

• Bank code (4 letters): institutional identifier. For BOFAUS3N, this is BOFA.
• Country code (2 letters): ISO 3166-1 alpha-2. For BOFAUS3N, this is US.
• Location code (2 alphanumeric): network location or processing center. For BOFAUS3N, this is 3N.
• Branch code (3 alphanumeric, optional): if missing, the code is an 8-character primary office or generic participant code. BOFAUS3N is 8 characters; its branch component is not present and should be treated as the head office or main routing point for messaging.

At a high level, SWIFT codes do not use a mod-97 checksum like IBANs do; their integrity is validated by format and directory presence (active/inactive, participant record). This is why an API lookup is essential: you need to confirm both format and existence/status in the SWIFT registry-derived reference data.

Validate BOFAUS3N via API: cURL and JSON You Can Trust

Use the BankDataStack SWIFT validation endpoint to confirm that BOFAUS3N is valid, retrieve the named institution, city, and address, and inspect the parsed components. This is a POST request that accepts JSON and requires an API key header.

Copy and run:

curl -X POST "https://www.bankdatastack.com/api/v1/swift/validate" -H "X-API-Key: YOUR_API_KEY" -H "Content-Type: application/json" -d '{"swift":"BOFAUS3N"}'

Expected response:

{
    "status": "success",
    "message": "SWIFT code BOFAUS3N is valid",
    "data": {
        "swiftCode": "BOFAUS3N",
        "bank": "BANK OF AMERICA, N.A.",
        "city": "San Francisco",
        "branch": "Head Office",
        "address": "BANK OF AMERICA PLAZA 555 CALIFORNIA STREET SAN FRANCISCO,CA SAN FRANCISCO,CA 94109 UNITED STATES OF AMERICA",
        "postCode": "94109",
        "country": "United States",
        "countryCode": "US",
        "breakdown": {
            "swiftCode": "BOFAUS3N",
            "bankCode": "BOFA",
            "countryCode": "US",
            "locationCode": "3N",
            "codeStatus": "Active",
            "branchCode": null
        }
    }
}

Key fields to act on before a transfer:

• status/message: operational confirmation you can surface in logs or UI.
• data.swiftCode: normalized form of the input; store this for audit.
• data.bank, data.city, data.address, data.postCode, data.country/countryCode: display for payer confirmation and reconcile with beneficiary’s claimed institution and location.
• data.breakdown.codeStatus: ensure it is Active before initiating the transfer.
• data.breakdown.bankCode/countryCode/locationCode: useful for internal routing logic and rules engines.
• data.branch: use to label payouts where specific branch routing is mandatory. For 8-character codes with no branch segment, treat as head office or default routing.

For reference docs and field behavior, see the Documentation.

Python Example: Validate and Gate a Payment on BOFAUS3N

This Python snippet posts BOFAUS3N to the same endpoint, checks status and code activity, and extracts the bank identity for confirmation prompts and audit logging.

import json
import requests

API_KEY = "YOUR_API_KEY"
URL = "https://www.bankdatastack.com/api/v1/swift/validate"

payload = {"swift": "BOFAUS3N"}
headers = {
"X-API-Key": API_KEY,
"Content-Type": "application/json",
}

resp = requests.post(URL, headers=headers, data=json.dumps(payload), timeout=10)
resp.raise_for_status()
data = resp.json()

if data.get("status") != "success":
raise ValueError("SWIFT validation failed: {}".format(data))

swift_info = data.get("data", {})
bank_name = swift_info.get("bank")
city = swift_info.get("city")
country = swift_info.get("country")
code_status = (swift_info.get("breakdown") or {}).get("codeStatus")

# Basic gating rules for a payment flow
if code_status != "Active":
raise ValueError("SWIFT code not active; halt transfer.")

if swift_info.get("swiftCode") != "BOFAUS3N":
raise ValueError("Unexpected normalization mismatch.")

print("Validated SWIFT:", swift_info.get("swiftCode"))
print("Institution:", bank_name)
print("Location:", "{}, {}".format(city, country))
print("Address:", swift_info.get("address"))

# Store only what is necessary for reconciliation/audit:
# - normalized swiftCode
# - bank, countryCode, city, postCode
# Do not store end-user PANs or extraneous PII here.

Embed Validation Into Your Onboarding and Payment Flows

Onboarding (Payee or Beneficiary Setup)

• Capture payee details: legal name, account number (as applicable), currency, and the SWIFT/BIC they provide (e.g., BOFAUS3N).
• Normalize: trim spaces, uppercase the SWIFT string.
• Validate via POST /api/v1/swift/validate. Reject if the response is not success or if codeStatus is not Active.
• Reconcile: show the returned bank name and city to the user and ask for a one-click confirmation. This reduces misrouted payments due to typos.
• Persist minimal reference data: swiftCode, bank name, city, countryCode, and a timestamp of validation. Avoid storing any unnecessary personal data.

Pre-Disbursement Check

• Re-validate if your cached entry is stale (e.g., older than 7–30 days for SWIFT records). See Caching guidance below.
• Cross-check country and currency rules: The USA does not use IBAN; US beneficiaries will typically provide routing numbers and account numbers for domestic wires, but SWIFT is essential for international wires to US banks.
• Confirm the code is still Active. Halt or route to manual review if not.

Audit and Monitoring

• Log the returned swiftCode, bank, countryCode, and codeStatus alongside payment IDs.
• If user-captured bank details conflict with validation (e.g., different country), flag for manual review.

Identifier Landscape: SWIFT vs. Routing vs. IBAN vs. BIN

Developers often validate multiple identifiers in the same workflow. Here is a concise comparison and how to treat each when combined with SWIFT validation for cross-border payments to BOFAUS3N’s institution.

When sending an international wire to a US bank like Bank of America, N.A., you will typically validate the SWIFT code (e.g., BOFAUS3N) and then, if required by your workflow, maintain the domestic routing details for local rails. The United States does not use IBAN, so do not prompt US beneficiaries for an IBAN.

Handling Edge Cases and Operational Realities

“Not Found” or Inactive Codes

• Not found usually indicates the code does not exist in the reference directory or has been retired. Treat this as a hard failure and prevent the transfer.
• An inactive codeStatus means the institution record is present but not currently active for messaging or settlement. Gate the payment and route to manual review.

Format vs. Existence

A string can match SWIFT format rules yet still be invalid operationally. Always rely on the directory validation response, not just regex checks.

Caching Strategy

• Cache positive validations for a reasonable TTL (e.g., 7–30 days) to reduce latency and API calls. Store key fields (swiftCode, bank, countryCode, codeStatus, city) and a validatedAt timestamp.
• Bust cache on user edits or when preparing a high-value transfer if your policy requires a fresh check.
• Monitor for changes in codeStatus over time; if a cached code becomes inactive, block payouts and re-collect details.

Input Normalization and UX

• Uppercase input and strip whitespace. Reject any characters outside [A–Z0–9].
• Show the validated bank name and city to the payer and require a single-click confirmation.

Security and Data Handling

• Never store full card numbers. A BIN is only the first digits of a card number and is sufficient for issuer lookups. Do not persist PANs in this context.
• Store only reference data needed for reconciliation and compliance audits: swiftCode, bank, countryCode, city/postCode, and validation timestamp.
• Scope secrets: keep the X-API-Key in secure environment variables or a secrets manager; never commit keys to version control.
• Limit logs to non-sensitive fields. Avoid logging request bodies that may contain end-user account numbers.

Testing Notes

While building your integration, validate both a target production code (BOFAUS3N) and a known-good comparator to verify parsing and UI flows. For example, CHASUS33 is a commonly cited SWIFT pattern you can use during development to test branching logic. Remember to remove any hardcoded test values before launch and always use your actual beneficiary’s SWIFT at runtime.

Implementation Blueprint: Putting It All Together

Step-by-Step

1. Collect SWIFT from beneficiary (BOFAUS3N for Bank of America, N.A.). Normalize to uppercase and strip spaces.
2. POST to /api/v1/swift/validate with X-API-Key set and JSON body {"swift":"BOFAUS3N"}.
3. Require status == success and breakdown.codeStatus == Active.
4. Display bank, city, and country to the user for confirmation; store normalized swiftCode and the key fields for audit.
5. Before payout, check cache age. If stale, re-validate. Halt if the status changes.
6. Proceed with FX and settlement instructions appropriate to the US (no IBAN; use SWIFT plus domestic routing/account numbers as needed by your bank partner).

Error Handling

• Transient HTTP errors: retry with exponential backoff.
• Validation failures: present a clear message and provide a link to edit the SWIFT entry.
• Inconsistent data: if user-provided country conflicts with returned countryCode US, route to manual review.

Pricing and Access

BankDataStack offers a Starter plan at $49.99/month with a 7-day trial so you can implement and test validation before committing. To begin, create an account and retrieve your API key. See the Documentation for endpoint details and field definitions, then get your key here: Register.

FAQ

Does BOFAUS3N identify Bank of America, N.A. in San Francisco?
Yes. The validation response shows BANK OF AMERICA, N.A., city San Francisco, country United States, with codeStatus Active and the Head Office designation.

What does it mean when branchCode is null?
For an 8-character SWIFT like BOFAUS3N, the absence of a 3-character branch segment indicates the primary office or a default routing entry. Use it unless a beneficiary specifies an 11-character branch code.

The United States does not use IBAN. How should I handle US beneficiaries?
Collect and validate the SWIFT/BIC for cross-border wires to US institutions, and use domestic routing numbers and account numbers for US domestic rails. Do not require an IBAN from US beneficiaries.

What should I do if validation returns not found or inactive?
Block the transfer and prompt the user to re-check the code with their bank. Escalate to manual review if needed. Do not attempt to infer or auto-correct the code.

Can I batch or cache validations?
Yes. Cache positive validations for a defined TTL (e.g., 7–30 days) and re-validate before high-value or high-risk payouts. For bulk onboarding, you can programmatically call the same validation endpoint per entry and parallelize requests within your operational limits.

If you’re ready to wire-enable your flows with dependable bank reference data, read the API field notes in the Documentation and get your API key now with a 7-day trial: Register.