Tron account lookup: TRX balance, account type, activation, TRC-20 token balances, and energy and bandwidth resources, from a Tron full node.

XRP Ledger account history: recent transactions with type, counterparty, amount delivered, destination tag and result, with marker pagination.

Gas conditions for 7 EVM chains: base fee, trend, congestion, priority tips, suggested max fee and USD cost of a transfer, approval, swap and mint.

On-chain oracle price from Chainlink data feeds on Ethereum and Base for ETH, BTC, LINK, SOL, stablecoins and EUR, with update time and a staleness flag.

EVM transaction lookup for 16 chains: status, fee, confirmations, decoded action, ERC-20 and NFT transfers, and L1 data fee on L2s, read straight from chain RPC.

XRP Ledger account lookup: balance, reserve and spendable XRP, trust line balances, required destination tag and deposit authorization flags.

Tron transaction lookup: status and failure reason, fee, energy and bandwidth, decoded contract call and TRC-20 transfers with base58 addresses.

Validate a Base address before sending: checksum, wrong-network check, live account type and balance, OFAC screening, and a send verdict of ok, caution or do_not_send.

Validate a BNB Chain address before sending: checksum, wrong-network check, live account type and balance, OFAC screening, and a send verdict of ok, caution or do_not_send.

Validate a Cardano address before sending: bech32 checksum for Shelley and stake addresses, wrong-network detection, OFAC screening, and a send verdict for agents.

Validate a Bitcoin address before sending: base58check and bech32/bech32m checksum, address type (legacy, SegWit, Taproot), wrong-network detection, OFAC screening, verdict.

Validate an Algorand address before sending: checksum, rekeyed account detection, empty account warning, live ALGO balance, OFAC screening, and a send verdict.

Inspect a URL: follow its redirect chain hop by hop with SSRF guards, and flag punycode, IP hosts, brand lookalikes, shorteners, http downgrades and phishing patterns.

Validate an Aptos address before sending: format and normalization, reserved system address detection, live account and APT balance, OFAC screening, send verdict.

USDC, USDT and DAI circulating supply split by chain with the Chainlink peg price, deviation percent and a pegged, watch or depegged status.

Validate a Avalanche address before sending: checksum, wrong-network check, live account type and balance, OFAC screening, and a send verdict of ok, caution or do_not_send.

Validate a Berachain address before sending: checksum, wrong-network check, live account type and balance, OFAC screening, and a send verdict of ok, caution or do_not_send.

Validate a Arbitrum address before sending: checksum, wrong-network check, live account type and balance, OFAC screening, and a send verdict of ok, caution or do_not_send.

Parse and validate a phone number for 240 regions: validity, E.164 form, country, calling code, line type (mobile, fixed, VoIP) and national and international formats.

Validate a Gnosis address before sending: checksum, wrong-network check, live account type and balance, OFAC screening, and a send verdict of ok, caution or do_not_send.