Mint Intel: Base chain data

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

• GET/base/receipt/:hash—No price listedBase transaction receipt via eth_getTransactionReceipt - success or failed, gas used, effective gas price, total fee in ETH (incl. the L1 data fee), created contract, decoded ERC-20 and NFT Transfer events, other event topics. Unknown or pending -> 404, not charged.
• GET/sol/block/:slot—No price listedSummary of the Solana block at a slot: blockhash, parent slot, skipped slots before it, block height, time, transaction count, leader identity and its fee reward, first 5 signatures (chain into /v1/sol/tx). Skipped/pruned/future slots -> 404, not charged.
• GET/sol/validators—No price listedSolana validator set (cached <=60 s): current vs delinquent count, total active stake, delinquent stake %, Nakamoto coefficient, stake-weighted commission, commission histogram and the top validators by stake (?limit=1..25). ?id= looks up one validator by vote account or node identity.
• GET/base/code/:address—No price listedIs a Base address a contract? eth_getCode: code size, keccak code hash, EOA vs contract, EIP-7702 delegated EOA (and its delegate), EIP-1167 minimal-proxy target, bytecode prefix; ?full=1 returns the whole deployed bytecode.
• GET/base/token/:token—No price listedERC-20 token metadata and total supply on Base via eth_call: name, symbol, decimals and totalSupply (raw + decimal-adjusted) in one batch. Not a token -> 404, not charged.
• GET/eth/proxy/:address—No price listedDetect upgradeable proxies on Ethereum via eth_getStorageAt - EIP-1967 (transparent, UUPS, beacon), legacy OpenZeppelin (zos), EIP-1822, Safe, EIP-1167 clones and EIP-7702 delegation - and return the implementation, admin and beacon addresses behind the proxy.
• GET/sol/simulate—No price listedSimulate a Solana transaction before sending it via simulateTransaction (sigVerify off, recent blockhash replaced, nothing is sent): success or the exact error, compute units consumed, fee in lamports, program logs, return data. Pass ?tx= as base58 or base64 (unsigned is fine). Malformed tx -> 400, not charged.
• GET/base/eth-usd—No price listedETH/USD read straight from Base 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/sol/pump/graduated—No price listedThe newest pump.fun coins that completed their bonding curve and migrated to PumpSwap: mint, PumpSwap pool, migration signature, slot, time, age in seconds. Only pool-creating migrations count (racing no-op attempts are filtered out). ?limit=1..10.
• GET/sol/supply/:mint—No price listedTotal supply (raw + ui), decimals, program (SPL / Token-2022), mint authority (still mintable?) and freeze authority of a Solana token mint. Cheap single-account read.
• GET/base/portfolio/:address—No price listedLive Base wallet balance - native ETH plus up to 20 ERC-20 balances (default: major tokens such as USDC, WETH, cbBTC, AERO; or caller-supplied ?tokens=) in one bounded JSON-RPC batch (eth_getBalance + balanceOf).
• GET/base/network-info—No price listedBase network info - chain ID, block height, chain head age, gas price, base fee, priority fee, block gas used/limit and RPC client version in one batched RPC call (eth_chainId + eth_getBlockByNumber + eth_gasPrice + eth_maxPriorityFeePerGas).
• GET/sol/token-balances/:addr—No price listedAll SPL and Token-2022 token accounts of a wallet: non-zero balances sorted by raw amount (mint, token account, amount, decimals, ui), empty-account count (reclaimable rent), delegate. Up to 100 balances.
• GET/sol/lookup-table/:addr—No price listedDecoded Solana address lookup table used by v0 transactions: authority (or frozen), active vs deactivated, deactivation and last-extended slots, address count and every stored address (<= 256), via getAccountInfo jsonParsed. Not a lookup table -> 404, not charged.
• GET/sol/bonding/:mint—No price listedpump.fun bonding-curve state for a mint: progress %, complete/graduated flag, price and market cap in the quote asset, quote still needed to complete, tokens left on the curve, raw virtual/real reserves, creator, mayhem/cashback flags, and the PumpSwap pool (price, liquidity) after graduation.
• GET/base/allowance/:token/:owner/:spender—No price listedERC-20 allowance on Base via allowance(owner, spender) (eth_call) - how much a spender such as Permit2 or a DEX router may move from an owner's wallet, decimal-adjusted, with unlimited-approval flag and known-spender label.
• GET/sol/program/:addr—No price listedIs a Solana address an executable program? Loader, upgradeable vs immutable, upgrade authority, ProgramData address and size, last deploy slot and approximate age in days (the binary is never downloaded). Also labels buffers, program-data, wallets and data accounts.
• GET/base/estimate-gas—No price listedEstimate the gas a Base transaction will consume via eth_estimateGas before signing it (?to=&from=&data=&value=): gas units, current gas price and estimated fee in ETH, or willFail with the revert reason when it would fail.
• GET/sol/nonce/:addr—No price listedDecoded Solana durable nonce account: the stored nonce (use it as recentBlockhash for offline or delayed signing), nonce authority, fee per signature and balance, via getAccountInfo jsonParsed. Not a nonce account -> 404, not charged.
• GET/sol/next-leaders—No price listedThe next Solana slot leaders from getSlotLeaders, merged into 4-slot leader windows: validator identity, vote account, active stake, commission, first/last slot and seconds until each window starts. Route time-critical transactions to the upcoming leaders. ?limit=1..25.
• GET/sol/holders/:mint—No price listedTop token holders of a Solana mint (up to 20 largest accounts) with owners resolved, % of supply, wallet vs program-owned, labels for pump.fun curve / PumpSwap / Raydium / Meteora / Orca pools and burn, plus top-1/5/10/20 concentration and top-10 excluding pools/curves. Optional ?n=1..20.
• GET/base/erc20-transfers/:token—No price listedERC-20 Transfer events on Base via eth_getLogs - the newest transfers of a token, optionally only those from or to one wallet (?wallet=), window up to 2,000 blocks: block, tx hash, from, to, raw and decimal-adjusted value.
• GET/sol/mint/:mint—No price listedSolana token mint intel: mint/freeze authority (renounced or live), supply, decimals, SPL vs Token-2022, Token-2022 extensions (permanent delegate, transfer hook, transfer fee, default-frozen, pausable), metadata (name/symbol/uri, mutability) and structural risk flags. Public on-chain facts, no verdict.
• GET/base/block-number—No price listedLatest Base block height - current chain tip via eth_blockNumber (cached <=1 s). The cheapest liveness / clock tick for Base agents.
• GET/sol/sol-usd—No price listedSOL/USD read straight from Solana state, no CEX or API key: the Pyth SOL/USD price-feed account plus Orca's two deepest SOL/USDC whirlpools in one RPC call (cached <=2 s). Median of fresh sources, per-source price, Pyth confidence and publish age, spread in bps.

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