Price a fixed-coupon bond from its yield to maturity: present-value the coupons plus face. Returns clean price, coupon per period, current yield, and premium/discount vs par.

The table + column schema for the onchain-sql tool — every queryable table (base.events, base.transactions, base.blocks, base.decoded_user_operations, base.transaction_attributions, solana.instructions, …) with its columns and types. Fetch once, t...

All token balances for any address in one call, from Coinbase's indexed data API — ERC-20 + native on EVM, SPL on Solana; no per-token contract calls, no RPC wrangling. Networks: base, ethereum, base-sepolia, solana, solana-devnet. Symbols/decimal...

Risk-adjusted return: (mean return - risk-free rate) / sample standard deviation of returns (n-1). Pass periodsPerYear to also get the annualized ratio (× sqrt(periodsPerYear)).

Solve a bond's yield to maturity from its market price — the annual rate that present-values the coupons plus face to that price. Bracketed bisection root-find.

Fund any address with testnet money via the Coinbase faucet — USDC (1) or ETH (0.0001) on Base Sepolia, USDC (1) or SOL on Solana devnet — everything an agent needs to rehearse the complete x402 payment loop safely before moving real money. A tent...

Pure-CPU helper: turn a B20 feature string (e.g. base.b20_asset) into its bytes32 feature id and ready-to-send isActivated(bytes32) calldata for the Activation Registry. No network egress.

Compound annual growth rate between a beginning and ending value over N years: (end/begin)^(1/years) - 1. Also returns total growth over the whole period.

Recently deployed B20 tokens on Base: scans the factory's B20Created logs over a block window, locates each new token by its 0xB200 address prefix, and enriches it with live name/symbol/decimals eth_calls. ?blocks=50000&limit=25

Present and future value of a level annuity (equal periodic payments). Supports an ordinary annuity (payments at period end) and an annuity-due (payments at period start).

Is B20 live on Base mainnet? Queries the Activation Registry precompile for base.b20_asset and base.b20_stablecoin (or a custom feature id). Honest pre-launch too: reports not-activated until the registry flips. ?feature=base.b20_asset (optional)

Compare & rank 2+ named players against each other for AI betting, fantasy & research agents — golf 3-balls, DFS player pools, season-long start/sit, 'best of these'. Returns a ranked list (each with a projection + the case) plus the single best betting play AND the best fantasy/DFS value, off the deep engine: golf strokes-gained + course fit; tennis surface/form; combat style. Sizing, alerts & the tracked record are premium.

Global trade-flow intelligence — World Bank data, shipping AIS and news synthesis: bilateral balances, export composition, route activity and supply-chain risk. For supply-chain and macro agents.

On-chain wallet investigation: resolve a wallet to its identity (ENS, public labels), trace its funding path to origin, surface top counterparties with entity labels, find sibling wallets funded by the same source, and screen for sanction/phishing/mixer risk. Every finding carries an explorer evidence link.

Start the "🏯 Tiktok Scraper (Pay Per Result)" Apify actor (apidojo/tiktok-scraper). Extract TikTok profiles, videos, hashtags, comments at 600 posts/sec. No proxy, 98% success rate. Scrape music, locations & user data with query builder. Expor…

Student loan refinancing intelligence for student and financial-aid agents. Global coverage (US, UK, Canada, Australia, Germany, India): current private refi market rates by credit tier, an honest worth-it verdict, lender categories, and country-specific tradeoffs — including federal-to-private benefit forfeiture (income-driven repayment, PSLF, forbearance) where it applies.

Book a transfer order

Postpartum and perinatal mental health guidance for parenting and mental-health agents. Distinguishes baby blues from postpartum depression, covers postpartum anxiety, intrusive thoughts, and paternal/partner PPD, with country-specific crisis and helpline resources.

Addiction support and harm-reduction guidance for mental-health and wellness agents. Honest, stage-matched guidance on alcohol, opioids, stimulants, gambling, and gaming — including MAT/MOUD treatment landscape and country-specific helplines.

Fashion brand ethical sourcing check — labor practices, environmental impact, animal welfare, and supply-chain transparency for any apparel brand, grounded in Wikirate, the UK Modern Slavery Statement Registry, the Fashion Transparency Index, the Responsible Minerals Initiative, and litigation trackers. Free open-registry sources only, never a paid rating service.