Crypto wallet integrations often fail in production because teams trust single API responses and skip defensive checks.
Always validate transaction state across multiple checks before crediting funds. Pending, failed, and replaced transactions must be treated differently.
Handle token decimals with precision. Incorrect rounding causes balance drift and accounting errors over time.
Webhook handlers must be idempotent. Duplicate callbacks are normal and should never create duplicate credits.
Store secrets securely and rotate keys regularly. Keep signing and trading permissions scoped to minimum required access.
Add monitoring for callback failures, timeout spikes, and transaction mismatch events. Operational visibility helps you resolve issues before users escalate support tickets.
Always validate transaction state across multiple checks before crediting funds. Pending, failed, and replaced transactions must be treated differently.
Handle token decimals with precision. Incorrect rounding causes balance drift and accounting errors over time.
Webhook handlers must be idempotent. Duplicate callbacks are normal and should never create duplicate credits.
Store secrets securely and rotate keys regularly. Keep signing and trading permissions scoped to minimum required access.
Add monitoring for callback failures, timeout spikes, and transaction mismatch events. Operational visibility helps you resolve issues before users escalate support tickets.