NEAR Protocol RPC: Call Function (1.0.0)

Call a contract method on a NEAR account

Download OpenAPI description
call.json
call.yaml
Languages
Servers
Mainnet
https://rpc.mainnet.fastnear.com/
Testnet
https://rpc.testnet.fastnear.com/

Call contract function

Request

Execute a view method on a smart contract without modifying state

Bodyapplication/jsonrequired
jsonrpcstringrequired
Value"2.0"
idstringrequired
Example: "fastnear"
methodstringrequired
Value"query"
paramsobjectrequired
params.​request_typestringrequired
Value"call_function"
params.​account_idstringrequired

NEAR account ID

params.​method_namestringrequired
params.​args_base64stringrequired

Base64-encoded method arguments

params.​finalitystringrequired

Block finality

Enum"final""optimistic"
curl -i -X POST \
  https://rpc.mainnet.fastnear.com/ \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": "fastnear",
    "method": "query",
    "params": {
      "request_type": "call_function",
      "finality": "final",
      "account_id": "contract.near",
      "method_name": "get_info",
      "args_base64": "e30="
    }
  }'

Responses

Successful response

Bodyapplication/json
jsonrpcstringrequired
Value"2.0"
idstring or numberrequired
One of:
string
resultobject

A result returned by contract method

errorobject
Response
application/json
{
  "jsonrpc": "2.0",
  "id": "string",
  "result": {
    "logs": [ … ],
    "result": [ … ]
  },
  "error": {
    "code": 0,
    "message": "string",
    "data": {}
  }
}