How to Accept Crypto Payments on SellAuth with CryptoPayr (Step-by-Step)
SellAuth has no crypto gateway plugin, but it has a Custom Payment Method that can redirect buyers to CryptoPayr. Here is the full setup: the redirect URL, the placeholders that matter, auto-confirming orders through the SellAuth API, a test order and the fixes for the three things that usually go wrong.
Crypto Payment Slippage for Merchants: Ask What You’ll Actually Net
Crypto payment slippage can shrink merchant receipts through fees, spreads, and execution delays. Learn to request net quotes and reduce surprises.
Crypto Swap API: 6 Steps from Price to Signed Swap
Build a crypto swap flow for price, quote, approval, and plan handling. Follow the checklist with six steps and see how CryptoPayr supports hosted swaps.
Test Crypto Payments: Regtest for CI, Testnets for Real Wallet Checks
Test crypto payments safely with sandbox checks, public testnets, and regtest. Verify checkout, webhooks, confirmations, refunds, and edge cases before...
Crypto IPNs: Replay Checks Won’t Stop Duplicate Orders
Secure crypto IPN webhooks with HTTPS, signature checks, replay protection, and idempotency. Learn how to prevent retries from fulfilling orders twice.
Add Wallet Support to Crypto Checkout Without a Long Build
Add wallet support to crypto checkout with hosted checkout, plugins, or an API fallback. Cover mobile handoffs, secure requests, and gasless options.
Crypto Checkout for Merchants: 5 Fixes for Fees and Abandonment
Cut crypto checkout fees and reduce abandonment with five changes you can ship in a sprint, from fee visibility to gas sponsorship and payout routing.
Keep Treasury Liquid: Merchant Playbook to Hedge Crypto Payments
Merchant playbook to hedge crypto payments and keep treasury liquid: auto convert, staged stablecoins, routing, FX hedges, and no KYC onboarding.
Accept Stellar Payments Fast: 4 Developer Integration Paths
Developer focused roadmap to accept Stellar payments via four integration routes. Includes a production checklist, trustline guidance, and a CryptoPayr...