Integration setup
| Question variants | Primary source | Secondary source |
|---|---|---|
| ”How do I start?”, “Which integration path should I use?”, “Dashboard or API?” | Start here | Quickstart |
| ”How do I create my first payment?”, “How do I test checkout end to end?” | Collect your first payment | Testing your integration |
| ”What base URL should I use?”, “Which environment is this?” | Authentication | Testing your integration |
Dashboard tasks
| Question variants | Primary source | Secondary source |
|---|---|---|
| ”Where do I create products?”, “How do I archive a product?” | Products dashboard | Create a product API |
| ”Where are checkout links?”, “How do I find a checkout session?” | Checkouts dashboard | Checkout API |
| ”Where do I find an order?”, “What does this order status mean?” | Orders dashboard | Order status does not match expectation |
| ”Where are API keys and Webhooks configured?” | Developer settings | Authentication |
Webhooks
| Question variants | Primary source | Secondary source |
|---|---|---|
| ”Which events exist?”, “What does order.paid mean?” | Webhook events | Webhook overview |
| ”Why did signature verification fail?” | Webhook signature verification fails | Webhook signatures |
| ”Why did I not receive a webhook?” | Webhook not received | Webhook retries |
| ”My customer paid but credits were not added” | Customer paid but was not credited | Webhook events |
Epay migration
| Question variants | Primary source | Secondary source |
|---|---|---|
| ”Can I keep my Epay SDK?”, “Which Epay endpoint should I use?” | Epay-compatible migration | Epay migration checklist |
| ”How do I calculate the MD5 sign?”, “Should I add &key=?” | Epay MD5 signature | submit.php API reference |
| ”How does submit.php work?“ | submit.php redirect checkout | submit.php API reference |
| ”How does mapi.php work?“ | mapi.php direct payment creation | mapi.php API reference |
| ”Can I use api.php refund?”, “How do I query an Epay order?“ | api.php order query and refund compatibility | api.php API reference |
Troubleshooting
| Question variants | Primary source | Secondary source |
|---|---|---|
| ”API returns 401”, “invalid key”, “IP not allowed” | API request returns 401 | Developer settings |
| ”Checkout creation fails”, “invalid product”, “currency error” | Checkout session creation fails | Create a checkout session |
| ”Amount validation fails”, “timestamp error”, “wrong currency” | Amount, currency, or timestamp validation fails | Supported currencies |
| ”Settlement unavailable”, “why can’t I settle?” | Settlement eligibility is not met | Go-live checklist |