You can find Bitcoin API documentation here: Bitcoin API reference
The following methods are allowed in Native Access API:
Blockchain RPCs
- getbestblockhash
- getblock
- getblockchaininfo
- getblockcount
- getblockfilter
- getblockhash
- getblockheader
- getblockstats
- getchaintips
- getchaintxstats
- getdifficulty
- getmempoolancestors
- getmempooldescendants
- getmempoolentry
- getmempoolinfo
- getrawmempool
- gettxout
- gettxoutproof
- gettxoutsetinfo
Rawtransactions RPCs
- createrawtransaction
- decoderawtransaction
- decodescript
- getrawtransaction
- sendrawtransaction
- testmempoolaccept