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Top DeFi Yields & APY

x402-data-api.sigrunner.workers.dev

Token security / honeypot detector for a Base mainnet ERC-20: EIP-1967/1822 proxy + upgradeability detection, bytecode dispatcher scan for mint/pause/blacklist/fee-setter/ownership selectors, owner() renouncement check, and a live eth_call state-override simulation testing whether a synthetic wallet can actually transfer() the token. Returns risk_score (0-100) + verdict (clear/review/block) + huma

Category
Service
Networks
Base
Starting price
$0.001
Paid calls, 30 days
148

Paid endpoints

46 endpoints, sorted by usage. Prices are per request.

EndpointPriceNetworkCalls / 30d
GET/defi/yields

Top DeFi lending/LP yields — project, chain, symbol, pool id, APY breakdown + 1d/7d/30d APY trend, IL risk (incl. il7d), exposure, reward/underlying tokens, outlier flag, mu/sigma, DefiLlama stability forecast, TVL. Filter by project, chain, or stablecoin-only; sort by TVL (default) or risk-adjusted APY (apy/sigma).

$0.001Base11
GET/crypto/prices

Spot token prices from DefiLlama — pass comma-separated CoinGecko ids, get price/change_24h/symbol/confidence/timestamp.

$0.001Base9
GET/chain/token-security

Token security / honeypot detector for a Base mainnet ERC-20: EIP-1967/1822 proxy + upgradeability detection, bytecode dispatcher scan for mint/pause/blacklist/fee-setter/ownership selectors, owner() renouncement check, and a live eth_call state-override simulation testing whether a synthetic wallet can actually transfer() the token. Returns risk_score (0-100) + verdict (clear/review/block) + human-readable flags. Use when an agent needs detailed honeypot, mint, pause and proxy checks for a Base ERC-20.

$0.009Base8
GET/chain/block-number

Current Base mainnet block number. Use when an agent needs the latest Base block to time or sanity-check a transaction.

$0.01Base7
GET/chain/gas-price

Current Base mainnet gas price (wei/gwei), EIP-1559 base_fee_gwei/priority_fee_gwei, and gas_price_usd. Use when an agent must estimate gas cost in USD before sending a Base transaction.

$0.01Base5
GET/ai/ask

Cheap LLM answer (Llama 3.2 3B on Workers AI) for a prompt up to 500 chars. Pay per call, no API key.

$0.002Base4
GET/chain/allowance

ERC-20 allowance(owner, spender) on Base, raw + formatted, flags unlimited approvals.

$0.002Base4
GET/chain/balance

ETH balance of a Base mainnet address, incl. balance_usd. Use when an agent needs an address's ETH balance in ETH and USD on Base.

$0.01Base4
GET/chain/code

Contract-code check for a Base mainnet address (is_contract + code size + EIP-7702 delegated-EOA detection). Use when an agent must check whether a Base address is a contract or an EOA before interacting.

$0.01Base4
GET/chain/is-contract

Is a Base address a smart contract or an EOA? Returns is_contract and bytecode size. Use when an agent must decide whether a recipient is a contract before sending funds or approving it.

$0.002Base4
GET/chain/nonce

Transaction count (nonce) for a Base address, latest and pending. Use when an agent needs the next nonce for a Base address before signing a transaction.

$0.002Base4
GET/chain/receipt

Transaction receipt by hash on Base mainnet: status, gas used, full logs, L1 fee breakdown, l1_fee_usd/total_fee_usd.

$0.005Base4
GET/chain/storage-at

Raw storage slot (eth_getStorageAt) of a Base contract. Use when an agent needs proxy implementation/admin slots or raw contract state.

$0.002Base4
GET/chain/token-balance

ERC-20 token balance of a Base mainnet address, incl. symbol, decimals, balance_formatted. Use when an agent needs an ERC-20 balance for a Base address before a swap or transfer.

$0.01Base4
GET/chain/total-supply

ERC-20 total supply on Base, raw + formatted with decimals and symbol. Use when an agent needs a token's circulating-supply base for market-cap or dilution math.

$0.002Base4
GET/chain/tx

Transaction details by hash on Base mainnet.

$0.005Base4
GET/chain/wallet

Wallet screening bundle (balance, activity, contract vs EOA check): ETH balance + balance_usd + tx count + contract-code check (EIP-7702 delegated-EOA aware) for a Base mainnet address, in one call.

$0.003Base4
GET/gate/swap

Pre-trade token security GO / HOLD / BLOCK gate for an autonomous Base trading agent: pass token, side (buy|sell) and notional_usd; get a one-word decision plus reason in one fast call. Combines honeypot/sellability simulation, admin-control checks and Uniswap v3 WETH-pool liquidity vs. your trade size (price-impact guard). Use when an autonomous trading agent needs a GO/HOLD/BLOCK check right before a Base swap.

$0.008Base4
GET/pm/markets

Query live Polymarket prediction markets — question, outcomes, live prices, bestBid/bestAsk/spread, volume24hr/volume1wk, oneDayPriceChange, clobTokenIds, conditionId, category tags, liquidity, end date. Ranked by volume24hr; filter by keyword.

$0.005Base4
GET/chain/block

Base block summary by number or 'latest': hash, timestamp, tx count, gas used/limit, base fee.

$0.005Base3
GET/chain/erc20-meta

ERC-20 metadata on Base: name, symbol, decimals, totalSupply (raw + formatted) for any token contract.

$0.01Base3
GET/chain/proxy-info

EIP-1967 proxy resolver for a Base contract: implementation, admin, beacon addresses + is_proxy. Use when an agent must know what code actually runs behind a proxy before trusting or calling it.

$0.003Base3
GET/chain/token-report

Token security check (honeypot detector + rug-pull risk score) for a Base ERC-20 in one call, decision-grade trade-safety verdict: SAFE | CAUTION | AVOID plus risk_score (0-100) and reasons, bundling honeypot/sellability simulation, owner-renounced + mint/pause/blacklist/fee-setter/upgradeable-proxy checks, token symbol/name/decimals, and Uniswap v3 WETH-pool liquidity (USD). Replaces many RPC calls and prevents a bad trade. Use when an agent is about to buy or swap a Base token and needs a SAFE/CAUTION/AVOID decision.

$0.01Base3
GET/crypto/fear-greed

Crypto Fear & Greed Index (alternative.me): current value 0-100, classification, history of last N days. No params. Use when an agent needs a market-sentiment gauge.

$0.002Base3
GET/defi/fees-top

Top DeFi protocols by 24h fees (DefiLlama): name, 24h/7d fees USD, 1d change, plus market total. No params. Use when an agent needs which protocols earn the most.

$0.003Base3
GET/ai/classify

Zero-shot text classification (Llama 3.2 3B): ?text=<up to 1000 chars>&labels=<comma-separated labels, 2-10> returns the single best label. Use when an agent needs to route or tag text (intent, sentiment, topic, spam) in one cheap call.

$0.003Base2
GET/ai/summarize

Text summarization (Llama 3.2 3B): ?text=<up to 1500 chars> returns a 1-3 sentence summary. Use when an agent needs to compress a passage cheaply before reasoning over it.

$0.003Base2
GET/ai/translate

Text translation (Llama 3.2 3B): ?text=<up to 800 chars>&to=<target language, e.g. es, fr, de, ja> returns the translated text only. Use when an agent needs quick pay-per-call translation with no API key.

$0.003Base2
GET/brief/market

One-call crypto market brief: Fear & Greed, global market cap/dominance, top movers, trending coins and top DeFi fee earners. No params. Use when an agent needs a full market snapshot in a single payment.

$0.01Base2
GET/crypto/funding

Cross-venue Hyperliquid+OKX+dYdX perp funding rates — top coins by 24h notional volume, per-venue funding + arb spread (bps) + cheapest-long/richest-short venue, premium/basis, annualized_hl, annualized_okx, LONGS_PAY/SHORTS_PAY/NEUTRAL signal, next_funding_ts, mark/oracle prices, open interest.

$0.004Base2
GET/crypto/stablecoins

Top stablecoins by circulating supply (DefiLlama): name, symbol, price, peg type, circulating USD. No params. Use when an agent needs stablecoin supply and depeg checks.

$0.003Base2
GET/defi/chains-tvl

Top blockchains ranked by total DeFi TVL (DefiLlama): name, TVL USD, gas token. No params. Use when an agent needs a quick map of where DeFi capital sits.

$0.003Base2
GET/defi/dex-volume

Top DEXs by 24h trading volume (DefiLlama): name, 24h/7d volume USD, 1d change, plus market total. No params. Use when an agent needs where on-chain swap volume is flowing.

$0.003Base2
GET/defi/hacks-recent

Most recent DeFi/crypto hacks and exploits (DefiLlama): date, name, amount lost USD, chain, technique, bridge-hack flag; ?limit= up to 50. No required params. Use when an agent needs live security-incident risk signals.

$0.003Base2
GET/defi/protocol-risk

Protocol risk score from DefiLlama: joins TVL, 1d/7d TVL change, age, audits, chain count and matching hack history into one 0-100 score with flags; ?protocol=<slug> (default aave-v3). Use when an agent needs a due-diligence check before routing funds to a DeFi protocol.

$0.01Base2
GET/defi/protocols-top

Top DeFi protocols by TVL (DefiLlama): name, category, TVL USD, 1d/7d change, chain. No params. Use when an agent needs a ranked protocol league table.

$0.003Base2
GET/defi/safe-yields

Vetted stablecoin yields: top stablecoin pools (DefiLlama, TVL>$5M, APY 1-25%) joined with each protocol's age and hack history, safest-yield first; optional ?chain= & ?limit=. No required params. Use when an agent needs where to park stablecoins with due-diligence already applied.

$0.01Base2
GET/defi/yields-top

Top DeFi yield pools by TVL (DefiLlama): chain, project, symbol, APY, TVL USD; optional ?chain= & ?stable=true. Use when an agent needs where to earn yield.

$0.003Base2
GET/ai/extract

Text-to-JSON extraction (Llama 3.2 3B): ?text=<up to 1500 chars>&fields=<comma-separated field names> returns a strict JSON object with exactly those keys (null when absent). Use when an agent needs messy text turned into typed structured data.

$0.005Base1
GET/crypto/categories

Crypto sector performance (CoinGecko categories): market cap, 24h change, volume per sector, top by market cap. No params. Use when an agent needs sector rotation signals.

$0.003Base1
GET/crypto/derivatives-exchanges

Top crypto derivatives exchanges (CoinGecko): open interest BTC, 24h volume BTC, perpetual and futures pair counts, year established. No params. Use when an agent needs perp/futures venue liquidity data.

$0.003Base1
GET/crypto/exchanges-top

Top crypto exchanges by trust score (CoinGecko): name, country, year, trust score and rank, 24h BTC volume. No params. Use when an agent needs exchange due-diligence data.

$0.003Base1
GET/crypto/global

Global crypto market stats (CoinGecko): total market cap, 24h volume, BTC/ETH dominance, active coins. No params. Use when an agent needs a one-call market overview.

$0.002Base1
GET/crypto/markets-top

Top coins by market cap (CoinGecko): price, market cap, 24h volume, 24h change; ?limit= up to 100. No required params. Use when an agent needs a ranked market snapshot.

$0.003Base1
GET/crypto/movers

Top 24h gainers and losers among the top-100 coins (CoinGecko). No params. Use when an agent needs what is moving the market right now.

$0.003Base1
GET/crypto/trending

Trending coins on CoinGecko right now: name, symbol, market-cap rank, 24h price change. No params. Use when an agent needs what the market is searching for.

$0.003Base1

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