Exam-suite sampler / preview — deterministic, no LLM. For the exam (and optional topic) you name, returns exactly what each paid exam product (prep, mock, grade, flashcards, explain) requires and produces for those inputs, plus real external study-resource links. Agent-tier preview under the exam suite’s $0.50–$1 price points.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.20 USDC | 0x50ab...12fc |
| Base | exact | $0.20 USDC | 0x50ab...12fc |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.20 tokens | 985iFj...5KX1 |
| Polygon | exact | $0.20 USDC | 0x50ab...12fc |
| Arbitrum One | exact | $0.20 USDC | 0x50ab...12fc |
| eip155:480 | exact | 0.20 tokens | 0x50ab...12fc |
| eip155:143 | exact | 0.20 tokens | 0x50ab...12fc |
| eip155:196 | exact | 0.20 tokens | 0x50ab...12fc |
| eip155:999 | exact | 0.20 tokens | 0x50ab...12fc |
| algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k | exact | 0.20 tokens | 62A253...GI7I |
| xrpl:0 | exact | 0.20 tokens | rMnHeu...Eh32 |
| xrpl:0 | exact | 0.2 | rMnHeu...Eh32 |
| eip155:56 | exact | 0.200000 tokens | 0x50ab...12fc |