getFirstAvailableBlock

getFirstAvailableBlock RPC Method

post

https://public.rpc.solanavibestation.comhttps://basic.rpc.solanavibestation.comhttps://ultra.rpc.solanavibestation.comhttps://elite.rpc.solanavibestation.comhttps://epic.rpc.solanavibestation.comhttps://basic.swqos.solanavibestation.comhttps://ultra.swqos.solanavibestation.comhttps://elite.swqos.solanavibestation.com

/historical

Returns the slot of the lowest confirmed block that has not been purged from the ledger. This is useful for determining the earliest available block data in the ledger history.

Authorizations

AuthHeaderURLParameter

AuthorizationstringOptional

Authorization header for API key authentication.

Example:

Authorization: your-api-key-here

Body

application/json

jsonrpcstring · enumRequired

JSON-RPC protocol version

Example: 2.0Possible values:

idone ofRequired

Request identifier that will be returned in the response

Example: 1

stringOptional

or

numberOptional

methodstring · enumRequired

The RPC method name

Example: getFirstAvailableBlockPossible values:

Responses

200

Successful Response

application/json

RPC response containing the first available block slot

jsonrpcstring · enumRequired

JSON-RPC protocol version

Example: 2.0Possible values:

idone ofRequired

Request identifier matching the original request

Example: 1

stringOptional

or

numberOptional

resultinteger · int64Optional

Slot number of the lowest confirmed block that has not been purged from the ledger. Present when the request is successful.

Example: 250000

401

Unauthorized

text/plain

403

Forbidden

text/plain

429

Too Many Requests

text/plain

500

Internal Server Error

text/plain

post

/historical

cURLSolana Kitweb3.jsRust

curl -X POST https://public.rpc.solanavibestation.com/historical \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getFirstAvailableBlock"
  }'            

{
  "jsonrpc": "2.0",
  "result": 250000,
  "id": 1
}