Solana Economics API
Methods for querying inflation, staking, and supply information
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OpenAPI Specification
openapi: 3.2.0
info:
title: Solana JSON-RPC Accounts Economics API
description: Solana exposes a JSON-RPC 2.0 API over HTTP and WebSocket for querying accounts, transactions, programs, token balances, blocks, and cluster state, as well as submitting and simulating transactions. Three public clusters are available — Mainnet (https://api.mainnet.solana.com), Devnet (https://api.devnet.solana.com), and Testnet (https://api.testnet.solana.com) — with dedicated API nodes for each environment. All requests use HTTP POST with a JSON-RPC 2.0 request body.
version: '2.0'
contact:
name: Solana Developer Resources
url: https://solana.com/developers
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0
termsOfService: https://solana.com/tos
servers:
- url: https://api.mainnet.solana.com
description: Solana Mainnet
- url: https://api.devnet.solana.com
description: Solana Devnet
- url: https://api.testnet.solana.com
description: Solana Testnet
tags:
- name: Economics
description: Methods for querying inflation, staking, and supply information
paths:
/getInflationGovernor:
post:
operationId: getInflationGovernor
summary: getInflationGovernor
description: Returns the current inflation governor.
tags:
- Economics
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/JsonRpcRequest'
examples:
getInflationGovernor:
summary: Get current inflation parameters
value:
jsonrpc: '2.0'
id: 1
method: getInflationGovernor
params: []
responses:
'200':
description: Successful JSON-RPC response
content:
application/json:
schema:
$ref: '#/components/schemas/InflationGovernorResponse'
x-solana-method: getInflationGovernor
x-solana-docs: https://solana.com/docs/rpc/http/getinflationgovernor
/getInflationRate:
post:
operationId: getInflationRate
summary: getInflationRate
description: Returns the specific inflation values for the current epoch.
tags:
- Economics
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/JsonRpcRequest'
examples:
getInflationRate:
summary: Get inflation rate for current epoch
value:
jsonrpc: '2.0'
id: 1
method: getInflationRate
params: []
responses:
'200':
description: Successful JSON-RPC response
content:
application/json:
schema:
$ref: '#/components/schemas/InflationRateResponse'
x-solana-method: getInflationRate
x-solana-docs: https://solana.com/docs/rpc/http/getinflationrate
/getInflationReward:
post:
operationId: getInflationReward
summary: getInflationReward
description: Returns the inflation / staking reward for a list of addresses for an epoch.
tags:
- Economics
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/JsonRpcRequest'
examples:
getInflationReward:
summary: Get inflation rewards for validator addresses
value:
jsonrpc: '2.0'
id: 1
method: getInflationReward
params:
- - 6dmNQ5jwLeLk5REvio1JcMshcbvkYMwy26sJ8pbkvStu
- BGsqMegLpV6n6Ve4aTEsbgxccntwnMlt34H6k28aTBza
- epoch: 2
responses:
'200':
description: Successful JSON-RPC response
content:
application/json:
schema:
$ref: '#/components/schemas/InflationRewardResponse'
x-solana-method: getInflationReward
x-solana-docs: https://solana.com/docs/rpc/http/getinflationreward
/getStakeMinimumDelegation:
post:
operationId: getStakeMinimumDelegation
summary: getStakeMinimumDelegation
description: Returns the stake minimum delegation, in lamports.
tags:
- Economics
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/JsonRpcRequest'
examples:
getStakeMinimumDelegation:
summary: Get minimum lamports needed to create a stake
value:
jsonrpc: '2.0'
id: 1
method: getStakeMinimumDelegation
params: []
responses:
'200':
description: Successful JSON-RPC response
content:
application/json:
schema:
$ref: '#/components/schemas/LamportsResponse'
x-solana-method: getStakeMinimumDelegation
x-solana-docs: https://solana.com/docs/rpc/http/getstakeminimumdelegation
/getSupply:
post:
operationId: getSupply
summary: getSupply
description: Returns information about the current supply.
tags:
- Economics
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/JsonRpcRequest'
examples:
getSupply:
summary: Get current lamport supply information
value:
jsonrpc: '2.0'
id: 1
method: getSupply
params:
- excludeNonCirculatingAccountsList: false
responses:
'200':
description: Successful JSON-RPC response
content:
application/json:
schema:
$ref: '#/components/schemas/SupplyResponse'
x-solana-method: getSupply
x-solana-docs: https://solana.com/docs/rpc/http/getsupply
components:
schemas:
InflationRateResponse:
type: object
properties:
jsonrpc:
type: string
example: '2.0'
id:
oneOf:
- type: integer
- type: string
result:
type: object
properties:
total:
type: number
format: double
description: Total inflation
validator:
type: number
format: double
description: Inflation allocated to validators
foundation:
type: number
format: double
description: Inflation allocated to the foundation
epoch:
type: integer
format: int64
description: Epoch for which these values are valid
error:
$ref: '#/components/schemas/JsonRpcError'
JsonRpcError:
type: object
properties:
code:
type: integer
description: Error code
message:
type: string
description: Human-readable error message
data:
description: Additional error data
LamportsResponse:
type: object
properties:
jsonrpc:
type: string
example: '2.0'
id:
oneOf:
- type: integer
- type: string
result:
type: object
properties:
context:
$ref: '#/components/schemas/RpcContext'
value:
type: integer
format: int64
description: Lamport amount
error:
$ref: '#/components/schemas/JsonRpcError'
RpcContext:
type: object
properties:
slot:
type: integer
format: int64
description: The slot at which the operation was evaluated
JsonRpcRequest:
type: object
required:
- jsonrpc
- id
- method
properties:
jsonrpc:
type: string
enum:
- '2.0'
description: JSON-RPC protocol version
example: '2.0'
id:
oneOf:
- type: integer
- type: string
description: Client-provided identifier for the request
example: 1
method:
type: string
description: The JSON-RPC method name
example: getBalance
params:
type: array
description: Method-specific parameters
items:
oneOf:
- type: string
- type: integer
- type: boolean
- type: object
- type: array
items: {}
InflationRewardResponse:
type: object
properties:
jsonrpc:
type: string
example: '2.0'
id:
oneOf:
- type: integer
- type: string
result:
type: array
items:
type:
- object
- 'null'
properties:
epoch:
type: integer
format: int64
description: Epoch for which reward occurred
effectiveSlot:
type: integer
format: int64
description: The slot in which the rewards are effective
amount:
type: integer
format: int64
description: Reward amount in lamports
postBalance:
type: integer
format: int64
description: Post balance of the account in lamports
commission:
type:
- integer
- 'null'
description: Vote account commission when the reward was credited
error:
$ref: '#/components/schemas/JsonRpcError'
SupplyResponse:
type: object
properties:
jsonrpc:
type: string
example: '2.0'
id:
oneOf:
- type: integer
- type: string
result:
type: object
properties:
context:
$ref: '#/components/schemas/RpcContext'
value:
type: object
properties:
total:
type: integer
format: int64
description: Total supply in lamports
circulating:
type: integer
format: int64
description: Circulating supply in lamports
nonCirculating:
type: integer
format: int64
description: Non-circulating supply in lamports
nonCirculatingAccounts:
type: array
items:
type: string
description: Array of account addresses of non-circulating accounts
error:
$ref: '#/components/schemas/JsonRpcError'
InflationGovernorResponse:
type: object
properties:
jsonrpc:
type: string
example: '2.0'
id:
oneOf:
- type: integer
- type: string
result:
type: object
properties:
initial:
type: number
format: double
description: Initial inflation percentage from time 0
terminal:
type: number
format: double
description: Terminal inflation percentage
taper:
type: number
format: double
description: Rate per year at which inflation is lowered
foundation:
type: number
format: double
description: Percentage of total inflation allocated to the foundation
foundationTerm:
type: number
format: double
description: Duration of foundation pool inflation in years
error:
$ref: '#/components/schemas/JsonRpcError'
externalDocs:
description: Solana RPC HTTP Methods Documentation
url: https://solana.com/docs/rpc/http