BlockRun vs Alchemy
Both give you blockchain RPC access. Alchemy is the established choice for human developers — an account, an API key, compute-unit plans, and a rich set of enhanced data APIs. BlockRun's multi-chain RPC is built for autonomous AI agents: no signup, no key, 40+ chains behind one endpoint, paid $0.002 per call in USDC via x402.
Side-by-side
| Feature | BlockRun RPC | Alchemy |
|---|---|---|
| Signup / account | None — wallet signature per call | Required |
| API key | None | Required (per app) |
| Billing | $0.002 per call in USDC, pay-per-use | Compute-unit plans (free tier + paid tiers) |
| Rate limits | None (pay-per-call) | Throughput tiered by plan |
| Chains | 40+ via one endpoint, swap in the path | Many chains, typically per-app endpoints |
| Settlement | On-chain USDC, tx hash returned per call | Off-chain billing / invoices |
| Enhanced data APIs | JSON-RPC today; wallet/NFT/tx Data API on the roadmap | Mature NFT / Transfers / Webhooks APIs |
| Built for | Autonomous AI agents paying from a wallet | Human developers + dashboards |
When to choose BlockRun
- You're building AI agents that pay per call and can't manage API keys or dashboards.
- You want zero signup friction — hit the endpoint and pay per request.
- You need 40+ chains behind one integration and one wallet.
- You want on-chain settlement receipts (tx hash per call) for agent accounting.
When to choose Alchemy
- You're a human developer comfortable with API keys + a billing dashboard.
- You need their mature enhanced data APIs (NFT API, Transfers, Webhooks) today.
- You want a long-established provider with extensive tooling and SLAs.
The bottom line
Alchemy is built for human developers who manage keys and plans and want rich data APIs. BlockRun's RPC is built for autonomous agents that pay per call from a wallet across many chains, with no signup. If you're wiring an agent to read on-chain data without a human in the loop, the no-key pay-per-call model is the cleaner fit.
We list facts as we know them at publish time and will update if Alchemy ships changes. If something here is wrong, email vicky@blockrun.ai.