I paid for a realms and since three weeks ago I contacted the technical service, they have not given me my service

Thank you for your report!
However, this issue is Incomplete.

Your report does not contain enough information. As such, we're unable to understand or reproduce the problem.

You are welcome to create a new ticket about your issue with more detailed information.
However, please review the Issue Guidelines before writing a new bug report. Also note that technical service cannot be provided by the bug tracker. If you did already contact Mojang Customer Support as linked below, you will need to wait for a reply. However, for technical support you might also try the Minecraft Community Support Discord at: https://discord.gg/58Sxm23

Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – ✍️ Feedback and Suggestions – 📖 Game Wiki – 📖 FAQs