Validate an A2A (Agent2Agent protocol) Agent Card: required fields, skill shape, transport names, capability flags - spec v0.3 structural core. Returns errors, interop warnings, and a normalized summary (skills, interfaces, capabilities). Deterministic mini-A2A tooling - check a card before your agent trusts it.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.002000 USDC | 0xaBF4...a9D0 |
| Polygon | exact | $0.002000 USDC | 0xaBF4...a9D0 |
| Arbitrum One | exact | $0.002000 USDC | 0xaBF4...a9D0 |
| eip155:143 | exact | 0.00 tokens | 0xaBF4...a9D0 |
| eip155:43114 | exact | 0.00 tokens | 0xaBF4...a9D0 |
| eip155:1329 | exact | 0.00 tokens | 0xaBF4...a9D0 |
| Optimism | exact | $0.003000 USDC | 0xaBF4...a9D0 |
| eip155:4663 | exact | 0.00 tokens | 0xaBF4...a9D0 |
| Celo | exact | 0.00 tokens | 0xaBF4...a9D0 |
| Base | upto | $0.002000 USDC | 0xaBF4...a9D0 |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.00 tokens | J7aN3P...3xwg |
| stellar:pubnet | exact | 0.02 tokens | GDNJXC...WWRL |
| algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= | exact | 0.00 tokens | C7IIHG...2XIE |