Airdrops & Balances

Q: Can I airdrop to someone else's pubkey?

Yes: solana airdrop 2 while pointed at devnet or testnet.

Q: Does balance include rent-exempt reserves?

solana balance shows total lamports. Token and data accounts also hold rent-exempt minimums separate from your wallet balance display context.

Q: How do I check balance on localnet?

Point config at http://127.0.0.1:8899, start solana-test-validator, then solana airdrop works against the local faucet.

Q: How fast does balance update after airdrop?

Usually one slot (~400ms). Use solana confirm when scripting funding steps.

Q: Can I airdrop on testnet?

Yes with solana config set --url testnet. Faucet availability varies - devnet is the default choice.

Q: How do I see lamports instead of SOL?

Use solana account and read the lamports field in the output.

Fund dev and test wallets with faucet airdrops and inspect SOL balances from the CLI before you send transactions.

Recipe

Quick-reference recipe card - copy-paste ready.

solana config set --url devnet
solana airdrop 2
solana balance
solana balance <PUBKEY>

When to reach for this:

New keypair has zero lamports and cannot pay fees.
Verifying a transfer landed on the expected account.
Checking a recipient balance before a second transaction.
Confirming localnet faucet funding after starting solana-test-validator.

Working Example

solana config set --url devnet
solana config set --keypair ~/.config/solana/id.json
 
# Request 2 SOL (subject to faucet rate limits)
solana airdrop 2
solana confirm -v $(solana transfer --from ~/.config/solana/id.json \
  "$(solana address)" 0.001 --allow-unfunded-recipient --dry-run 2>/dev/null | head -1) 2>/dev/null || true
 
solana balance
solana balance "$(solana address)"

What this demonstrates:

Devnet faucet funds the default keypair for transaction fees.
solana balance reads lamports and formats as SOL.
Passing an explicit pubkey inspects any account, not only the configured signer.

Deep Dive

How It Works

Balances are stored as lamports in the account model (1 SOL = 1,000,000,000 lamports).
solana airdrop requests lamports from the cluster faucet (devnet/testnet only).
The CLI calls getBalance over JSON-RPC and converts to SOL for display.
Mainnet has no public faucet - fund via exchange or transfer.

Airdrop Limits

Cluster	Faucet	Typical limit
devnet	Public RPC faucet	Rate-limited per IP/key
testnet	Public faucet	Lower traffic than devnet
mainnet-beta	None	Real SOL required
localnet	`solana-test-validator`	Generous for local keys

bash Notes

# Airdrop to a specific pubkey (not only default keypair)
solana airdrop 1 <RECIPIENT_PUBKEY>
 
# Watch balance after a transfer
watch -n 2 solana balance

Gotchas

Airdropping on mainnet - no faucet exists; command fails or you use a scam site. Fix: use devnet/localnet for free SOL, mainnet only with real funds.
Rate limit errors - devnet faucet caps requests per hour. Fix: wait, use a different IP, or switch to localnet.
Unfunded signer - transactions fail with "insufficient funds for fee". Fix: solana balance first; airdrop 1-2 SOL on devnet.
Wrong cluster - airdrop succeeds but config still points at a different RPC. Fix: solana config get and verify RPC URL.
Assuming UI SOL equals on-chain - some tools round; rent-exempt minimums matter for accounts. Fix: compare raw lamports via solana account when debugging.

Alternatives

Alternative	Use When	Don't Use When
`solana-test-validator` faucet	Unlimited local iteration	You need real program state from mainnet
Provider devnet faucets (Helius, etc.)	Higher rate limits	You want zero external dependencies
Manual transfer from funded wallet	Team shared dev pool	Solo first-time setup
`spl-token` minting	Testing tokens, not native SOL	Paying transaction fees

FAQs

How much SOL should I airdrop?

1-2 SOL is enough for thousands of devnet transactions. Request more only when testing large transfers or rent-heavy account creation.

Why did my airdrop fail with rate limit?

Devnet faucets throttle by IP and pubkey. Wait 24 hours, use localnet, or fund from a teammate's wallet.

Can I airdrop to someone else's pubkey?

Yes: solana airdrop 2 <PUBKEY> while pointed at devnet or testnet.

Does balance include rent-exempt reserves?

solana balance shows total lamports. Token and data accounts also hold rent-exempt minimums separate from your wallet balance display context.

How do I check balance on localnet?

Point config at http://127.0.0.1:8899, start solana-test-validator, then solana airdrop works against the local faucet.

What is the minimum for fees?

A simple transfer costs 5,000 lamports base fee plus priority fee. Keep at least 0.01 SOL on dev wallets for headroom.

How fast does balance update after airdrop?

Usually one slot (~400ms). Use solana confirm <SIGNATURE> when scripting funding steps.

Can I airdrop on testnet?

Yes with solana config set --url testnet. Faucet availability varies - devnet is the default choice.

How do I see lamports instead of SOL?

Use solana account <PUBKEY> and read the lamports field in the output.

Does airdrop work in CI?

Often blocked by shared IP rate limits. Pre-fund a CI keypair once and store it as an encrypted secret, or use localnet in pipelines.

Solana CLI Basics - cluster configuration
Keypairs with solana-keygen - create the wallet you fund
Sending SOL & Transactions - spend the balance
solana-test-validator - local faucet

Stack versions: This page was written for Agave 4.1.1, Solana CLI 3.0.10, Anchor 0.32.1, anchor-lang 0.32.1, Rust 1.91.1, @solana/kit 7.0.0, Surfpool 0.12.0, and LiteSVM 0.6.x.

Recipe

Quick-reference recipe card - copy-paste ready.

solana config set --url devnet
solana airdrop 2
solana balance
solana balance <PUBKEY>

When to reach for this:

New keypair has zero lamports and cannot pay fees.
Verifying a transfer landed on the expected account.
Checking a recipient balance before a second transaction.
Confirming localnet faucet funding after starting solana-test-validator.

Working Example

solana config set --url devnet
solana config set --keypair ~/.config/solana/id.json
 
# Request 2 SOL (subject to faucet rate limits)
solana airdrop 2
solana confirm -v $(solana transfer --from ~/.config/solana/id.json \
  "$(solana address)" 0.001 --allow-unfunded-recipient --dry-run 2>/dev/null | head -1) 2>/dev/null || true
 
solana balance
solana balance "$(solana address)"

What this demonstrates:

Devnet faucet funds the default keypair for transaction fees.
solana balance reads lamports and formats as SOL.
Passing an explicit pubkey inspects any account, not only the configured signer.

Deep Dive

How It Works

Balances are stored as lamports in the account model (1 SOL = 1,000,000,000 lamports).
solana airdrop requests lamports from the cluster faucet (devnet/testnet only).
The CLI calls getBalance over JSON-RPC and converts to SOL for display.
Mainnet has no public faucet - fund via exchange or transfer.

Airdrop Limits

Cluster	Faucet	Typical limit
devnet	Public RPC faucet	Rate-limited per IP/key
testnet	Public faucet	Lower traffic than devnet
mainnet-beta	None	Real SOL required
localnet	`solana-test-validator`	Generous for local keys

bash Notes

# Airdrop to a specific pubkey (not only default keypair)
solana airdrop 1 <RECIPIENT_PUBKEY>
 
# Watch balance after a transfer
watch -n 2 solana balance

Gotchas

Airdropping on mainnet - no faucet exists; command fails or you use a scam site. Fix: use devnet/localnet for free SOL, mainnet only with real funds.
Rate limit errors - devnet faucet caps requests per hour. Fix: wait, use a different IP, or switch to localnet.
Unfunded signer - transactions fail with "insufficient funds for fee". Fix: solana balance first; airdrop 1-2 SOL on devnet.
Wrong cluster - airdrop succeeds but config still points at a different RPC. Fix: solana config get and verify RPC URL.
Assuming UI SOL equals on-chain - some tools round; rent-exempt minimums matter for accounts. Fix: compare raw lamports via solana account when debugging.

Alternatives

Alternative	Use When	Don't Use When
`solana-test-validator` faucet	Unlimited local iteration	You need real program state from mainnet
Provider devnet faucets (Helius, etc.)	Higher rate limits	You want zero external dependencies
Manual transfer from funded wallet	Team shared dev pool	Solo first-time setup
`spl-token` minting	Testing tokens, not native SOL	Paying transaction fees

FAQs

How much SOL should I airdrop?

1-2 SOL is enough for thousands of devnet transactions. Request more only when testing large transfers or rent-heavy account creation.

Why did my airdrop fail with rate limit?

Devnet faucets throttle by IP and pubkey. Wait 24 hours, use localnet, or fund from a teammate's wallet.

Can I airdrop to someone else's pubkey?

Yes: solana airdrop 2 <PUBKEY> while pointed at devnet or testnet.

Does balance include rent-exempt reserves?

solana balance shows total lamports. Token and data accounts also hold rent-exempt minimums separate from your wallet balance display context.

How do I check balance on localnet?

Point config at http://127.0.0.1:8899, start solana-test-validator, then solana airdrop works against the local faucet.

What is the minimum for fees?

A simple transfer costs 5,000 lamports base fee plus priority fee. Keep at least 0.01 SOL on dev wallets for headroom.

How fast does balance update after airdrop?

Usually one slot (~400ms). Use solana confirm <SIGNATURE> when scripting funding steps.

Can I airdrop on testnet?

Yes with solana config set --url testnet. Faucet availability varies - devnet is the default choice.

How do I see lamports instead of SOL?

Use solana account <PUBKEY> and read the lamports field in the output.

Does airdrop work in CI?

Often blocked by shared IP rate limits. Pre-fund a CI keypair once and store it as an encrypted secret, or use localnet in pipelines.

Solana CLI Basics - cluster configuration
Keypairs with solana-keygen - create the wallet you fund
Sending SOL & Transactions - spend the balance
solana-test-validator - local faucet

Stack versions: This page was written for Agave 4.1.1, Solana CLI 3.0.10, Anchor 0.32.1, anchor-lang 0.32.1, Rust 1.91.1, @solana/kit 7.0.0, Surfpool 0.12.0, and LiteSVM 0.6.x.

Airdrops & Balances

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Airdrops & Balances