getInflationRate — Solana JSON-RPC

Status: Available

Returns the annualized inflation rates (total, validator, and foundation) for the current epoch on the Solana cluster.

POSThttps://triport.io/sol

Network: Solana
Scope: sol_read_rpc
Auth: x-token: $TRIPORT_API_KEY (or Authorization: Bearer)
Rate limit: free+ — 20 / 60 / 200 / 600 RPS sustained · short burst 40 / 120 / 400 / 1200 (free / basic / pro / business); Burst capacity

Endpoint and plans: Solana RPC endpoint.

Request

cURLJavaScriptPython

curl https://triport.io/sol \
  -H "Authorization: Bearer $TRIPORT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getInflationRate",
    "params": []
  }'

const res = await fetch("https://triport.io/sol", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${process.env.TRIPORT_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getInflationRate",
    "params": []
  }),
});
const data = await res.json();
console.log(data);

import os


import requests


resp = requests.post(
    "https://triport.io/sol",
    headers={
        "Authorization": f"Bearer {os.environ['TRIPORT_API_KEY']}",
        "Content-Type": "application/json",
    },
    json={
        "jsonrpc": "2.0",
        "id": 1,
        "method": "getInflationRate",
        "params": [],
    },
)
data = resp.json()
print(data)

Response

JSON

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "total": 0.0846,
    "validator": 0.0846,
    "foundation": 0.0,
    "epoch": 806
  }
}

getInflationRate returns the specific inflation values for the current epoch: a total rate plus the split between the portion paid to validators and the portion paid to the foundation. All three are annualized rates expressed as fractions — 0.0846 means an 8.46% annualized rate, not 0.0846%.

Use it to display current network inflation, estimate staking yield, or feed reward calculations. The values are epoch-scoped: the returned epoch field tells you which epoch they apply to, so clients that cache the result should re-fetch when the cluster advances to a new epoch.

This method takes no parameters and is inexpensive — it is a standard read method available on every tier. For the parameters that govern how these rates change over time, see getInflationGovernor; for per-account staking rewards, see getInflationReward.

Parameters

This method takes no parameters. Send an empty positional array (params: []).

——optional

This method accepts no parameters.

Response

Response fields

Field	Type	Description
`result`	object	`InflationRate` object.
`result.total`	number	Total inflation rate, as an annualized fraction.
`result.validator`	number	Inflation allocated to validators, as an annualized fraction.
`result.foundation`	number	Inflation allocated to the foundation, as an annualized fraction.
`result.epoch`	integer	Epoch for which these inflation values are valid.

Errors

Errors are returned in the standard JSON-RPC error envelope. See the shared errors reference for the full envelope shape and shared codes.

Code	Meaning	When it happens
`401`	Unauthorized	Missing, invalid, or revoked `Authorization: Bearer` key.
`429`	Rate limited	More than your tier's RPS for `sol_read_rpc` (20 / 60 / 200 / 600). An HTTP error, not a JSON-RPC one: body `{"error":"rate_limited", …}` with `limit_rps`, `burst_capacity` and `retry_after_sec`, plus `Retry-After` and `X-RateLimit-Reset` headers.
`internal_error` (500)	Internal error	Transient upstream fault while fetching inflation data; safe to retry with backoff.

Examples

JavaScript (fetch)

JavaScript

const res = await fetch("https://triport.io/sol", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${process.env.TRIPORT_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    jsonrpc: "2.0",
    id: 1,
    method: "getInflationRate",
    params: [],
  }),
});


const { result } = await res.json();
console.log(`Epoch ${result.epoch}: ${(result.total * 100).toFixed(2)}% total inflation`);

Notes

Annualized fractions. All three rates are fractions, not percentages. Multiply by 100 to display a percent (e.g. 0.0846 → 8.46%).
Epoch-scoped. The returned epoch identifies which epoch the values apply to. Cache against this value and refresh when the cluster advances to a new epoch — pair with getEpochInfo to track the boundary.
foundation may be 0. As foundation inflation tapers over time it can reach zero, in which case total equals validator.
Related methods: getInflationGovernor for the governing parameters and getInflationReward for per-account staking rewards.