BUILT AROUND YOUR WALLET
Platform
Specifications.
Technical overview of PayCow's non-custodial blockchain monitoring and transaction verification infrastructure.
Multi-Chain RPC Node Polling
The settlement engine monitors TRON and Ethereum networks through direct JSON-RPC log queries and node event polling on smart contract transfer events, ensuring deterministic detection across network states.
- Deterministic event filtering by contract address and topic hashes across TRC-20 and ERC-20.
- Immune to dropped connections associated with raw websocket streams.
- Continuous block tracking with state-persisted indexing.
Deterministic Confirmation Finality
Transactions require on-chain block confirmations (solidified blocks on TRON, 12 confirmed blocks on Ethereum) prior to ledger finalization, eliminating risks associated with transient chain reorganizations.
- Immutable confirmation thresholds verified against on-chain block receipts.
- Asynchronous background verification workers.
- Cryptographic validation of transfer recipients and token decimals.
Non-Custodial Direct Routing
PayCow does not custody digital assets or manage private keys. Invoices route buyer transfers directly to merchant-provided external destination addresses.
- Support for exchange deposit addresses (Binance, Bybit, OKX) and cold wallets.
- Unique address serial numbers for dynamic API routing.
- Direct settlement without intermediary pool wallets or withdrawal delays.
RESTful API Architecture
Integrate invoice generation and transaction status tracking directly into enterprise backends using standardized HTTP APIs.
- Stateless authentication using API Key and Secret headers.
- Dynamic session creation with custom metadata and serial address selection.
- Comprehensive status polling endpoints for real-time ledger synchronization.
Automated Webhooks & Event Stream
Asynchronous HTTPS POST callbacks deliver real-time transaction updates directly to merchant endpoints upon on-chain status transitions, removing the need for continuous polling.
- Cryptographic verification using HMAC-SHA256 signature headers (
x-paycow-signature). - Configurable endpoint URL with dashboard-driven secret rotation and event delivery logs.
- Automated retry mechanism for transient network faults and non-2xx HTTP responses.
- Standardized event payloads covering detection, block confirmation, and session expiry.
Digital Delivery & Storefronts
Create a product in the dashboard and share its product page, or publish your own branded storefront at /store/your-brand. After payment confirmation, the buyer can access the file download link or license key on the payment page.
- Publish a dedicated merchant storefront to display and sell your complete digital product catalog.
- Upload files up to 50 MB and set download limits and link expiry.
- Deliver the same access code to each buyer or assign an unused license key from an uploaded list.
- Price products in USDT and accept TRC-20 or ERC-20 payments, depending on your product settings and configured wallet.
- Send delivery details by email when the buyer provides an email address.
- Available with an active Pro, Scale, or Enterprise subscription.
Marketplace Distribution
One published catalog entry can serve a merchant's direct product checkout, branded storefront and the searchable PayCow Marketplace without changing the non-custodial payment path.
- Categories are created from merchant product data instead of a static catalog.
- Product covers, availability, pricing and merchant identity remain synchronized with the source listing.
- Marketplace visitors continue through the existing product checkout and pay the merchant's configured wallet directly.
- Buyers can browse and purchase without creating a marketplace account.