API 200M Token Claude 1 day

Description

Model list and instructions: api.nghimmo.com/huongdan
Models: Full Claude Opus, Sonnet, Haiku models
KEY check page: api.nghimmo.com/check
Refund warranty policy in case of unusable key errors:
- Condition: Still within the warranty period
- Method: Refund based on the number of unused tokens

How to use

No usage guide from the market listing.