{"category":"rpc_providers","alchemy":{"name":"Alchemy","free_tier":"300M compute units/mo","strengths":["Reliability","Webhooks","Enhanced APIs","NFT APIs"]},"infura":{"name":"Infura","free_tier":"100k req/day","strengths":["IPFS gateway","Reliable","Multi-chain"]},"quicknode":{"name":"QuickNode","free_tier":"10M credits","strengths":["Fast","Many chains","Add-ons marketplace"]}}