Guardarian
Fiat on-ramp and off-ramp for buying, selling and swapping crypto by card or bank transfer, with partner APIs.
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Guardarian key facts
| Category | Fiat on-ramp |
|---|---|
| Platforms | Web, API |
| US availability | Available via partner Bridge Building Inc., a FinCEN-registered MSB |
| Chains | 200+ cryptocurrencies |
What is Guardarian?
Guardarian is a fiat-crypto gateway for buying, selling and swapping crypto, offered directly and to business partners. Its about page lists SEPA, Visa, Mastercard, UnionPay and SWIFT as payment options. Its terms say US customers are served through Bridge Building Inc., a FinCEN-registered MSB.
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Guardarian pros and cons
- Payment options include SEPA, Visa, Mastercard, UnionPay and SWIFT
- KYC takes up to 5 minutes, per its about page
- US customers served through a licensed partner
- No public fee schedule; fees are built into the rate
- US users must pass separate KYC and accept Bridge Building Inc. terms
- Terms reserve IP-based blocking of prohibited jurisdictions
Guardarian FAQ
What is Guardarian?
Guardarian is a fiat-crypto gateway for buying, selling and swapping crypto, offered directly and to business partners. Its about page lists SEPA, Visa, Mastercard, UnionPay and SWIFT as payment options. Its terms say US customers are served through Bridge Building Inc., a FinCEN-registered MSB.
Is Guardarian available in the US?
Available via partner Bridge Building Inc., a FinCEN-registered MSB, according to Guardarian’s own page (checked Sep 26, 2026).
Sources
How this page works
Sources: Guardarian: official site, Guardarian: Terms of service, Guardarian: About us. Data as of Sep 26, 2026.
Not affiliated with any project listed. Educational content, not financial advice.