Integrating crypto payments
Developer guides for the CryptoPayIn API: creating payments, verifying webhook signatures, handling retries, and wiring checkout into any stack.
2 guides
All guides
Getting startedHow to get paid in crypto without a websiteA checkout is a URL, not a project. Payment links and hosted storefronts, automatic delivery of files and licence keys, and the invoice workflow for billing a client in crypto.
Getting startedHow to accept crypto payments on your websiteFrom zero to your first settled on-chain payment: which coins to enable, gateway vs self-hosted, the three-step integration, and the operational details nobody tells you about.
Other topics
Your first crypto invoice, end to end — what to enable, what to ignore.
3 guidesPrivacy & no-KYCAccepting money without handing over an identity — yours or theirs.
3 guidesCoins & networksWhich assets and chains are worth a slot on your checkout.
2 guidesFees & costsThe whole cost stack — headline rate, spread, network, payout.
1 guideStablecoinsDollar-denominated settlement without a bank in the middle.
1 guideIndustriesVerticals card rails price out, and what changes on-chain.
2 guidesOperationsRefunds, accounting, payouts, security — running it day to day.
1 guideComparisonsHead-to-head with the processors you are probably evaluating.
1 guide
Put the topic to work.
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