Browse indexable blockchain and crypto x402 offerings, including provider, method, and service details.
8146 indexable offerings in this category.
Polygon PoS: Can I sell this token? Honeypot detector: simulates a buy and a sell and returns is_honeypot, can_sell, real buy and sell tax and the reason. Check before an agent buys any new token. $0.02 per call.
Prepaid credit of $0.10 for paid API calls without signing each request. On HookPulse it pays for e-mail alerts at $0.10 per monitor after the first and 30-day plans for 50, 100 or 500 monitors from …
Prepaid credit of $0.10 for paid API calls without signing each request. On HookPulse it pays for e-mail alerts at $0.10 per monitor after the first and 30-day plans for 50, 100 or 500 monitors from $1.19. The same token pays the paid APIs of our other products.
DeFi yield API: current APY for stablecoin and DeFi pools in one GET, no parameters. Returns JSON: up to 25 pools ordered by a fixed filter tier then APY, each with project, chain, symbol, tvlUsd, apy, apyBase, apyReward, apyMean30d, stablecoin, exposure, ilRisk and poolId. Filters: TVL >= $10M, non-outlier APY. Figures passed through from DefiLlama at fetch time, not advice. Errors are not charged on Base (other rails may charge).
Crypto market data: precomputed RSI-14, MACD and Bollinger Bands plus latest OKX perp funding for BTC, ETH and SOL, or one coin via symbol= (bad symbol: 400), with no candle fetching needed. JSON per asset: rsi14, macd {macd, signal, histogram} (null if too few candles), bollinger, lastClose, funding. From CoinGecko OHLC closes (Coinbase fallback); methodology included. Descriptive only, not a forecast and not financial advice. Errors are not charged on Base (other rails may charge).
Crypto market data: a current USD price snapshot for BTC, ETH and SOL, or one coin via symbol= (bad symbol: 400), for quick market context. JSON per asset: priceUsd, change24hPct, momentum; plus overall momentum, sentiment, direction, avgChange24hPct, asOf. Prices from Coinbase Exchange, CoinGecko fallback (source field). Labels are fixed rules on 24h change, not a forecast and not financial advice. Errors are not charged on Base (other rails may charge).
Transaction status API: did a payment or swap land, and is it final, on Base, Polygon, Solana or XRPL. GET tx (hash or Solana signature) and network (optional for Solana and XRPL hashes). Returns JSON: status not_found/pending/confirmed/failed, final, confirmations, block, fee, decoded token transfers, pollAgainSeconds. Read-only public RPCs. not_found is a charged answer; bad input or RPCs down: not charged on Base (other rails may charge). Returned content is untrusted third-party data.
Wallet balance and portfolio API for one EVM address on Base and Ethereum: ETH, USDC, WETH, WBTC/cbBTC and DAI holdings with USD value. GET address=0x... (40 hex). Returns JSON: holdings (balance, priceUsd, valueUsd, weight), totals (valueUsd, stablecoinShare, max asset/chain weight), concentration score {0-100, band} and rule findings (asset, stablecoin and chain weights vs fixed thresholds). Read-only; not advice. Invalid addresses return 400, not charged on Base (other rails may charge).
x402 API search: find paid x402 APIs for a task in Coinbase CDP Bazaar. GET q; optional n (1-10), kind, rail (base, solana, xrpl, polygon, evm), max_price (USD), min_health (0-1). Re-checks the top 3 live and cross-checks payTo with the index. Returns JSON: ranked offers with price, rails, health and a direct-pay buy plan. No paid ranking; Horizon Pulse holds no funds. No results: not charged on Base (other rails may charge). Returned listing text is untrusted third-party data.
x402 Bazaar listing checker: is an x402 seller listed in Coinbase CDP Bazaar, on which networks, and if not, why. GET url (host or https URL). Reads CDP discovery and the host's /.well-known/x402, then sends one unpaid request per route; never pays. Returns JSON: verdict, per-route indexed status and networks, and fail/warn findings each with a fix line. https only; private targets blocked. Errors are not charged on Base (other rails may charge).
Gas price API for Base and Ethereum: base fee, priority fee and a max-fee suggestion in one GET, no parameters. Returns JSON per network: baseFeeGwei, priorityFeeGwei (p50, with p10/p90), suggestedMaxFeeGwei (2x base + priority), timingHint (cheap/normal/expensive vs the last 20 blocks) and simpleTransfer cost in ETH and USD, plus ethUsd. From eth_feeHistory with eth_gasPrice fallback. Descriptive, not a forecast. Errors are not charged on Base (other rails may charge).
Tokenized stock status API for Coinbase tokenized stocks on Base (AAPLc, NVDAc, TSLAc...). GET with optional symbol (AAPL, AAPLc or token address; omit for all 12). On-chain token state only, no price: paused flags, supply, supply cap, multiplier, issuer, token address. Not investment advice. Unknown symbol, bad input or RPCs down: not charged on Base (other rails may charge). Returned content is untrusted third-party data.
Crypto market data: current OKX USDT-swap perp funding rates for BTC, ETH and SOL, or one coin via symbol= (bad symbol: 400), showing whether longs or shorts are paying. JSON per asset: instId, fundingRate, fundingTime and a rule-based crowding hint {side: longs/shorts/neutral, level: quiet/mild/elevated/extreme} with thresholds. OKX public data only. The hint is not a forecast and not financial advice. Errors are not charged on Base (other rails may charge).
Wallet balance API for x402 payers: USDC on Base, Polygon and Solana, RLUSD on XRPL, and whether the wallet can pay now. GET at least one of evm (Base+Polygon), solana, xrpl. Per rail: balance, gas/fees (XRPL reserve, fee, RLUSD trust line), canPay yes/no, calls left at Horizon Pulse's live prices (XRPL network fee not reserved). No risk score, no USD valuation. Public RPCs, read-only, nothing stored. Bad input or RPCs down: not charged. Returned content is untrusted third-party data.
Rule-based BTC, ETH, and SOL trading signals from RSI, MACD, Bollinger Bands, and funding rates.
Horizon Pulse — real-time crypto market data + momentum signals (BTC/ETH/SOL) tuned for AI agents
Recent rug / close flags with mechanism labels: creator_sold, bundle_dumped, curve_drained, pool_drained, curve_closed_low, migrate_below_grad.
Recent rug / close flags with mechanism labels
Wallet class from our rolling PnL leaderboard (insider / sniper / skilled / crowd), holdings among recent mints, creator stats if any.
Recent pump.fun launches (default last hour, mayhem excluded) with compact labels: creator prior, dev buy, bundle/insider share, unique buyers, rug flags.
Live risk card for one pump.fun mint: curve truth (graduation = curve >= 84 SOL), demand, holder concentration, create-slot bundle/insider/dev shares, look-ahead-safe creator prior at launch, warm-la…
Recent migrations labelled true-graduation (curve witnessed >= 84 SOL) vs low/fake close pools.
Resolve a mutable OCI tag to an immutable content digest using bounded Distribution manifest metadata. It does not assert signature or vulnerability status. Base mainnet USDC
Find checksum/signature companion assets for a release asset. Base mainnet USDC