# CryptoPay Insider

> Independent CoinPayments reviews, crypto payment gateway guides, API notes, and merchant-focused comparisons.

## Core Guides

- [CoinPayments API Status Mapping for Orders](https://us-coinpayments.info/guides/coinpayments-api-status-mapping/): Map CoinPayments API and callback states to internal order statuses for checkout, fulfillment, customer support, and accounting.
- [CoinPayments Fees Explained for Store Owners](https://us-coinpayments.info/guides/coinpayments-fees-explained/): Understand CoinPayments fees, network costs, withdrawal costs, conversion spread, support time, and total cost of crypto checkout.
- [CoinPayments Legacy Migration Planning Guide](https://us-coinpayments.info/guides/coinpayments-legacy-migration/): Plan a CoinPayments Legacy migration by mapping dashboards, credentials, IPN callbacks, API endpoints, plugins, payment statuses, and support scripts.
- [CoinPayments Login Security Checklist for Merchants](https://us-coinpayments.info/guides/coinpayments-login-security/): A practical CoinPayments login security checklist covering account ownership, authentication, API secrets, roles, recovery, and withdrawal controls.
- [How to Integrate CoinPayments: Merchant API Guide](https://us-coinpayments.info/guides/how-to-integrate-coinpayments/): A developer-focused guide to integrating CoinPayments checkout, API credentials, callbacks, status mapping, refunds, and launch testing.

## Reviews

- [CoinPayments Review: Fees, Safety, API and Merchant Fit](https://us-coinpayments.info/reviews/coinpayments-review/): A practical CoinPayments review for merchants comparing checkout, API workflows, fees, safety controls, Legacy migration, and alternatives.

## Comparisons

- [CoinPayments vs BitPay vs Coinbase Commerce](https://us-coinpayments.info/compare/coinpayments-vs-bitpay-vs-coinbase-commerce/): Compare CoinPayments, BitPay, Coinbase Commerce, NOWPayments, and BTCPay Server for merchant crypto payment gateway decisions.
- [CoinPayments vs NOWPayments for Crypto Checkout](https://us-coinpayments.info/compare/coinpayments-vs-nowpayments/): Compare CoinPayments and NOWPayments for merchant checkout, asset breadth, API fit, support workflow, fees, and operational complexity.

## Glossary

- [API key](https://us-coinpayments.info/glossary/api-key/): A credential that lets software authenticate with a payment gateway without using a human login session.
- [Blockchain confirmation](https://us-coinpayments.info/glossary/blockchain-confirmation/): A network validation event that makes a crypto payment harder to reverse as blocks are added.
- [Checkout invoice](https://us-coinpayments.info/glossary/checkout-invoice/): A hosted payment page that shows the customer the crypto amount, wallet address, and payment window.
- [CoinPayments Legacy](https://us-coinpayments.info/glossary/coinpayments-legacy/): The older CoinPayments account and integration environment that many merchants still reference during migration planning.
- [CoinPayments v2](https://us-coinpayments.info/glossary/coinpayments-v2/): A newer CoinPayments product environment and API surface merchants evaluate when modernizing older integrations.
- [Crypto payment gateway](https://us-coinpayments.info/glossary/crypto-payment-gateway/): Software that helps merchants accept digital asset payments, monitor settlement, and reconcile orders.
- [Hosted wallet](https://us-coinpayments.info/glossary/hosted-wallet/): A wallet service where a provider controls parts of the custody, account access, or transaction workflow.
- [IPN](https://us-coinpayments.info/glossary/ipn/): Instant Payment Notification, a server-to-server callback that reports invoice status changes to a merchant system.
- [KYC](https://us-coinpayments.info/glossary/kyc/): Know Your Customer checks used by financial services to verify identity and reduce abuse risk.
- [Network fee](https://us-coinpayments.info/glossary/network-fee/): A transaction cost paid to the blockchain network or validators, separate from a gateway service fee.
- [Payment status](https://us-coinpayments.info/glossary/payment-status/): The lifecycle state of a transaction, such as pending, confirming, paid, expired, or refunded.
- [Private key](https://us-coinpayments.info/glossary/private-key/): A secret cryptographic value that authorizes wallet spending and must never be shared with a gateway plugin.
- [Refund address](https://us-coinpayments.info/glossary/refund-address/): The customer wallet address a merchant may need when returning a failed or overpaid crypto transaction.
- [Settlement](https://us-coinpayments.info/glossary/settlement/): The process of converting, holding, or withdrawing accepted payments after checkout completes.
- [Webhook](https://us-coinpayments.info/glossary/webhook/): An HTTPS callback sent from a service to a merchant server when an event changes.