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Solana Rent Exemption Calculator
x402
Solana Rent Exemption Calculator is a paid API for AI agents from api.vextorium.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-18).
Returns the minimum SOL (and lamports) required for a Solana account of a given byte size to be rent-exempt, with reference values for common account types.
Price / call$0.003
Success—
StatusUnknown
How this service works
Minimum SOL for a Solana account of a given size to be rent-exempt (165 bytes = token account, 82 = mint, 0 = wallet), with common reference sizes.
Output
Returns the input byte size, the minimum SOL required for rent exemption at that size, the equivalent in lamports, and reference rent-exempt minimums for a wallet (0 bytes), an SPL mint (82 bytes), and an SPL token account (165 bytes).
Example use cases
Fund a new SPL token account
“I'm creating a new SPL token account on Solana — how much SOL do I need to send as the rent-exempt deposit for a standard 165-byte token account?”
Estimate rent exemption for custom program account
“My Solana program stores 512 bytes of on-chain data per account. What's the minimum SOL I need to fund each account so it stays rent-exempt and doesn't get deleted?”
Display rent reference values in a wallet UI
“Can you pull the rent-exempt minimums for a Solana wallet, SPL mint, and SPL token account so I can show users how much SOL they need to keep in each type of account?”
Technical details
Endpoint
POSThttps://api.vextorium.com/sol-alquiler-pago?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically determine the exact SOL rent-exempt minimum for any Solana account size, especially when deploying smart contracts, creating token accounts, or building wallet UIs that need to guide users on minimum SOL deposits. Prefer this over manual calculation to avoid errors from Solana epoch-based rent changes.
Side effects
- Missing or invalid bytes_cuenta field returns an error
- Non-integer byte value causes a validation error
- Negative byte count may return an unexpected result or error
- Service downtime returns a non-200 HTTP response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| bytes_cuenta | integer |
Output
Schema · Response
{
"type": "json",
"example": {
"bytes": 165,
"minimo_sol": 0.00148844,
"minimo_lamports": 1488440,
"referencias_sol": {
"wallet": 0.00065024,
"mint_spl": 0.0010668,
"cuenta_token_spl": 0.00148844
}
}
}Tags
x402
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