Mint Intel: Base chain data

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://mintintel.35-171-220-195.sslip.io/v1

• GET/eth/erc20-balance/:address/:token—No price listedERC-20 token balance for any Ethereum wallet - USDC, WETH, USDT or any token - via balanceOf (eth_call): raw and decimal-adjusted amount, symbol, decimals. Not a token -> 404, not charged.
• GET/eth/tx/:hash—No price listedFull Ethereum transaction details by hash via eth_getTransactionByHash - from, to, value in ETH, nonce, type, gas limit and fee caps, calldata with 4-byte method selector, pending or mined. Unknown hash -> 404, not charged.
• GET/sol/block-production—No price listedSolana block production for the current epoch via getBlockProduction (cached <=60 s): cluster leader slots, blocks produced, skipped slots and skip rate %, the 10 worst skip rates among validators with >= 40 leader slots, and with ?id= one validator's leader slots, blocks and skip rate (identity or vote account).
• GET/sol/rent-exempt/:bytes—No price listedMinimum lamports / SOL for a Solana account with N data bytes to be rent-exempt (getMinimumBalanceForRentExemption, cached 1 h). 165 = token account, 82 = mint, 0 = plain wallet.
• GET/eth/block/:block—No price listedEthereum block header by number, hex or tag (latest / finalized / safe) via eth_getBlockByNumber - hash, parent, timestamp and age, fee recipient, gas used/limit and utilization, base fee, tx count and the first 25 tx hashes. Future block -> 404, not charged.
• GET/sol/slot—No price listedCurrent Solana mainnet slot, block height and epoch (confirmed commitment, cached <=0.4 s). The cheapest liveness/clock tick for agents.
• GET/sol/block-time/:slot—No price listedUnix timestamp, ISO time and age of the Solana block at a slot (getBlockTime, cached 10 min). Skipped, pruned or not-yet-produced slots -> 404, not charged.
• GET/base/nonce/:address—No price listedNext transaction nonce for any Base wallet via eth_getTransactionCount (latest + pending) - how many transactions it has sent and how many are still pending.
• GET/base/gas—No price listedBase gas oracle - current and next-block base fee, priority-fee percentiles (p10/p50/p90 over the last 20 blocks via eth_feeHistory), slow/standard/fast maxFeePerGas suggestions, legacy eth_gasPrice, the L1 base fee and the cost of an ETH transfer, ERC-20 transfer and DEX swap in ETH and USD.
• GET/base/call—No price listedSimulate a read-only Base contract call via eth_call - nothing is sent (?to=&data=, optional from, value, block): raw return data, first words, uint / address / string decodings, or the revert reason.
• GET/sol/pump/new—No price listedThe newest pump.fun coin launches seconds after creation: mint, creator, create signature, slot, time, age in seconds, Create vs CreateV2 (Token-2022). Chain into /v1/sol/mint, /bonding and /holders.
• GET/sol/tps—No price listedSolana network pulse from performance samples (10 x 60 s): current and 10-minute average TPS (total and non-vote), measured slot time in ms and slots/s, plus the answering RPC node's health and solana-core version (cached <=5 s).
• GET/eth/eth-usd—No price listedETH/USD read straight from Ethereum state, no CEX or API key: the Chainlink ETH/USD feed (latestRoundData) plus the Uniswap v3 WETH/USDC 0.05% pool spot price in one RPC batch. Median of fresh sources, per-source price, feed age and round, spread in bps.
• GET/eth/contract/:address—No price listedBest-effort Ethereum contract introspection in one batched RPC call - bytecode presence and size, ERC-20 metadata (name, symbol, decimals, totalSupply), ERC-721 / ERC-1155 / ERC-165 detection, Ownable owner() and proxy implementation; classifies EOA, EIP-7702 delegated EOA, token, NFT or plain contract.
• GET/base/tx/:hash—No price listedFull Base transaction details by hash via eth_getTransactionByHash - from, to, value in ETH, nonce, type, gas limit and fee caps, calldata with 4-byte method selector, pending or mined. Unknown hash -> 404, not charged.
• GET/sol/priority-fee—No price listedRecent Solana prioritization fees (micro-lamports/CU) over the last ~150 slots: p25/p50/p75/p90/max, non-zero percentiles and low/medium/high/veryHigh suggestions. Optional ?accounts= to scope to hot accounts.
• GET/sol/epoch—No price listedSolana epoch number, slot index, slots remaining, progress % and ETA seconds to the next epoch (staking/reward timing).
• GET/eth/nonce/:address—No price listedNext transaction nonce for any Ethereum wallet via eth_getTransactionCount (latest + pending) - how many transactions it has sent and how many are still pending.

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