Need Crypto Payment Gateway Script

I am looking readymade crypto payment gateway script that supports Cryptocurrency. I would like the script to include standard features, and I am open to any advice on additional features that may be beneficial. Best example is coinpayments. Please share demo link on your bid. Only readymade script please

Ideal skills and experience for the job:
- Strong understanding of blockchain technology and cryptocurrency
- Experience in developing payment gateways
- Proficiency in Bitcoin and related technologies
- Familiarity with standard features of crypto payment gateway scripts