Keep everything in sync with our integrations.

Connect your payment processors and automatically convert a percentage of every transaction into bitcoin.

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Find the Integration You Need

Search by name or category to discover tools that work seamlessly with our platform.

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Payment Providers

Shopify

Stripe

Square

Paypal

Mindbody

Clover

Ebay

Gumroad

Zaprite

Bookkeeping Software

QuickBooks

Xero

FAQs

Frequently Asked Questions

Why bitcoin?

Bitcoin is the only cryptocurrency (only asset in the world, in fact) that has a truly limited, unchangeable supply. When it comes to savings, it's the best tool for the job.

Why bitcoin?

Bitcoin is the only cryptocurrency (only asset in the world, in fact) that has a truly limited, unchangeable supply. When it comes to savings, it's the best tool for the job.

Will you add support for other cryptocurrencies?

Nope. But for an important reason: we don’t think any other cryptocurrencies are well-suited for protecting wealth long-term. None of them offer the supply-side assurances that you get by holding bitcoin, with its limited and truly unchangeable supply of 21 million.

Will you add support for other cryptocurrencies?

What countries are you in?

US only at this time.

What countries are you in?

US only at this time.

What are the fees like?

Free to sign up. We charge a transaction fee of about 1% on buys and sells of bitcoin, with no added spread or funny business.

What are the fees like?

Free to sign up. We charge a transaction fee of about 1% on buys and sells of bitcoin, with no added spread or funny business.

Will you add more integrations over time?

Absolutely. Got a favorite you'd like to see us add? Email us letting us know: hello@savewithcastle.com

Will you add more integrations over time?