Hey devs, we have deployed a pair of full-nodes as well as indexers for everyone to use, for free! here are the URLs:
Mainnet - Node RPC
https://mainnet.ckb.dev/
https://mainnet.ckb.dev/rpc
Mainnet - Indexer RPC
https://mainnet.ckb.dev/indexer_rpc
Testnet - Node RPC
https://testnet.ckb.dev/
https://testnet.ckb.dev/rpc
Testnet - Indexer RPC
https://testnet.ckb.dev/indexer_rpc
There are limit for frequency:
rate: 20 req / s
burst: 20 req / s
You will receive 500 Error if the limit is exceeded. If you have further requests, please let me know 