A2A, hosting & payments compared
Registries, agent runtimes, agent payments.
| Provider | Free tier | Starting price | Verified | Links |
|---|---|---|---|---|
| A2A Registry | Yes | Free to list | ✓ | site · pricing |
| AgentPeering | Yes | Free | ✓ | site · pricing |
| AWS Bedrock AgentCore | Unverified | Usage-based (consumption) | - | site · pricing |
| Google Vertex AI Agent Engine | Yes | First 50 vCPU-h/mo free, then $0.085/vCPU-h | ✓ | site · pricing |
| Stripe Agent Toolkit | Yes | Toolkit free (OSS); Stripe fees per transaction | ✓ | site · pricing |
| Coinbase x402 | Unverified | - | - | site · pricing |
| Skyfire | Unverified | - | - | site · pricing |
| Payman | Unverified | - | - | site · pricing |