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Documentation Index

Fetch the complete documentation index at: https://developer.quickei.io/llms.txt

Use this file to discover all available pages before exploring further.

Quickei provides separate environments for development and production.

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Environments

Use the sandbox for development and testing. No real money is processed.Payment Gateway API
https://quickei.io/pay/sandbox/api/v1
POS API
https://quickei.io/merchant-api/pos/v1
The sandbox environment behaves identically to production. All API responses, webhooks, and status flows work the same way — the only difference is that no real funds are moved.

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Environment Summary

EnvironmentPayment Gateway Base URLPOS Base URL
Sandboxhttps://quickei.io/pay/sandbox/api/v1https://quickei.io/merchant-api/pos/v1
Productionhttps://quickei.io/pay/api/v1https://quickei.io/merchant-api/pos/v1
Use environment variables to switch between sandbox and production without changing your code:
# .env
QUICKEI_BASE_URL=https://quickei.io/pay/sandbox/api/v1