138-197-15-135.sslip.io
Block number, timestamp, hash, tx count, gas used/limit and base fee for the latest (or given) block on Base, Ethereum, Arbitrum or Optimism. Deterministic, no LLM.
- Category
- Crypto & DeFi
- Starting price
- $0.001
- Paid calls · 30 days
- 64
- Unique payers · 30 days
- 32
Paid endpoints
28 endpoints, sorted by usage. Prices are per request.
- GET/v1/evm/block
Block number, timestamp, hash, tx count, gas used/limit and base fee for the latest (or given) block on Base, Ethereum, Arbitrum or Optimism. Deterministic, no LLM.
$0.001Base9calls / 30d - GET/v1/evm/gas
Current gas price, base fee, suggested priority fee and EIP-1559 maxFee for Base, Ethereum, Arbitrum or Optimism, plus a 21000-gas transfer cost in native units. Deterministic, no LLM.
$0.001Base4calls / 30d - GET/v1/solana/balance
Native SOL balance (lamports and SOL) for any Solana address. Deterministic, no LLM.
$0.0025Base3calls / 30d - GET/v1/social/hn
Search Hacker News stories or comments by keyword, newest or most relevant first, with points, comment count, author, URL and HN link. Good for tracking mentions of a product, company or topic. Deterministic, no LLM.
$0.003Base3calls / 30d - GET/v1/base/erc20-balance
ERC20 balance of any wallet on Base, Ethereum, Arbitrum or Optimism (USDC by default) via balanceOf, with decimals applied. Deterministic, no LLM.
$0.0025Base2calls / 30d - GET/v1/base/wallet
Native ETH balance, nonce (tx count) and whether the address is a contract, on Base, Ethereum, Arbitrum or Optimism. Deterministic, no LLM.
$0.0025Base2calls / 30d - GET/v1/github/repo
GitHub repository snapshot: stars, forks, open issues, watchers, language, license, topics, created/pushed dates, default branch, latest release (tag, date) and archived flag. Deterministic, no LLM.
$0.003Base2calls / 30d - GET/v1/token/price
Current USD price for a token contract on Base, Ethereum, Arbitrum or Optimism (or the chain's native ETH if no address), with symbol, decimals and confidence. Aggregated from public DeFi price feeds. Deterministic, no LLM.
$0.0035Base2calls / 30d - GET/v1/base/token-info
Name, symbol, decimals, total supply and bytecode presence for a token contract on Base, Ethereum, Arbitrum or Optimism. Deterministic, no LLM.
$0.004Base2calls / 30d - GET/v1/base/tx-status
Status of a transaction on Base, Ethereum, Arbitrum or Optimism: pending/success/failed, block, confirmations, from/to, gas used, log count. Deterministic, no LLM.
$0.004Base2calls / 30d - GET/v1/contract/abi
Whether a contract on Base, Ethereum, Arbitrum or Optimism is source-verified (Sourcify), its name, compiler, full ABI, function and event signatures, and its EIP-1967 proxy implementation (also looked up). Deterministic, no LLM.
$0.004Base2calls / 30d - GET/v1/name/resolve
Resolve an ENS name (vitalik.eth) or Basename (jesse.base.eth) to an address, or an address to its verified primary ENS name. On-chain, deterministic, no LLM.
$0.0045Base2calls / 30d - GET/v1/dex/quote
Best Uniswap v3 single-hop quote for swapping amountIn of tokenIn to tokenOut on Base, Ethereum, Arbitrum or Optimism, checking all fee tiers (0.01/0.05/0.3/1%). Returns amountOut, effective price, best fee tier, gas estimate. Tokens: ETH, USDC, USDT or 0x address. Read-only quote; no swap is executed. Deterministic, no LLM.
$0.0045Base2calls / 30d - GET/v1/wallet/portfolio
One call: ETH, WETH, USDC and USDT balances for an address across Base, Ethereum, Arbitrum and Optimism, each with a USD value, plus the total USD value and per-chain subtotals. Deterministic, no LLM.
$0.008Base2calls / 30d - GET/v1/markdown
Fetch any public web page and get clean Markdown (title, headings, links, text). Deterministic, no LLM, fast. GET ?url=https://...
$0.0085Base2calls / 30d - GET/v1/token/safety
Scam check for an ERC20 on Base, Ethereum, Arbitrum or Optimism: honeypot, buy/sell tax, mintable, owner can change balances, proxy, blacklist, open source, holder concentration, LP lock. Returns a 0-100 risk score, a verdict (low/medium/high) and the flags behind it. Use before buying or accepting a token. Deterministic, no LLM.
$0.009Base2calls / 30d - GET/v1/company/enrich
Enrich a company domain: name, title, description, social profiles (LinkedIn, X, GitHub, etc.), contact emails and phones found on the homepage, language, tech hints (frameworks, analytics), mail provider from MX records, and key pages (about, pricing, careers, contact). Deterministic, no LLM, public data only.
$0.01Base2calls / 30d - GET/v1/solana/wallet-profile
One-call Solana wallet profile: SOL and SPL/Token-2022 holdings with USD values (top 25 by value), total USD, recent activity (last 100 signatures: count, failure rate, first/last seen, tx per day), programs used with labels (Jupiter, Raydium, Orca, Pump.fun, Meteora, Drift...), top counterparties from the last 15 transactions, and a simple wallet type (bot-like / trader / holder / inactive). Free
$0.01Base2calls / 30d - GET/v1/base/wallet-profile
One-call Base wallet profile: ETH and major token holdings (USDC, WETH, USDT, DAI, cbBTC, cbETH, AERO, EURC) with USD values, total USD, nonce (lifetime sent tx count), EOA vs contract (incl. EIP-7702 smart account), recent ERC20 transfers in/out over ~5,000 blocks (~3h) with net flow, top counterparties labeled where known (Uniswap, Aerodrome, 1inch, 0x, Aave, Seaport, bridges), and a simple wall
$0.01Base2calls / 30d - GET/v1/ai/tx-explain
Plain-English explanation of any transaction on Base, Ethereum, Arbitrum or Optimism: what happened, who sent what to whom (decoded token transfers with amounts and symbols), the method called, fee paid, and success/failure. Returns a summary plus the structured facts it is based on.
$0.01Base2calls / 30d - GET/v1/ai/summarize
Fetch a public web page and return a concise summary: title, 3-7 key points, a one-paragraph TL;DR and the page's main entities. Good for research agents that need the gist of a URL cheaply.
$0.01Base2calls / 30d - GET/v1/ai/extract
Fetch a public web page and extract the fields you name into clean JSON (e.g. fields=name,price,currency,availability or company,ceo,founded). Missing values come back as null. Up to 20 fields.
$0.02Base2calls / 30d - GET/v1/nft/owner
Current owner of an ERC-721 token (ownerOf) on Base, Ethereum, Arbitrum or Optimism. Deterministic, no LLM.
$0.0025Base2calls / 30d - GET/v1/nft/metadata
tokenURI and resolved JSON metadata (name, description, image, attributes) for an ERC-721 or ERC-1155 token on Base, Ethereum, Arbitrum or Optimism. IPFS/Arweave resolved. Deterministic, no LLM.
$0.007Base2calls / 30d - GET/v1/token/transfers
Recent ERC20 Transfer events (decoded: from, to, amount with decimals, symbol, tx hash, block) for a token contract, a wallet, or both, over the last ~2,000 blocks on Base, Arbitrum or Optimism (~500 on Ethereum). Up to 50 newest. Deterministic, no LLM.
$0.0045Base2calls / 30d - GET/v1/ai/chat
One-shot LLM completion for agents: send a prompt (and optional system message), get the answer text. Flat $0.002 per call, no account or API key; cheaper than typical x402 chat proxies. Up to ~2,000 chars of prompt and 600 output tokens. GET or POST JSON {prompt, system}.
$0.002Base1calls / 30d - GET/v1/evm/blocks
Batch block lookup: latest block plus up to 10 block numbers (comma-separated) on Base, Ethereum, Arbitrum or Optimism in one paid call. Same fields as /v1/evm/block (number, hash, timestamp, tx count, gas, base fee). Costs less than 10 single calls. Deterministic, no LLM.
$0.003Base1calls / 30d - GET/v1/x402/seller-scores
Hearth's seller ranking data, per category (search, scrape, llm, image, enrich, onchain, price, social, weather, geo, audio, security) or free-text q: blended rank score with its parts, 30d paying usage, Hearth's own purchase outcomes (valid-response rate, latency), nightly liveness/payTo probe, and public reputation (402index reliability/uptime, vet402 verdict and settlement record, x402-trust gr
$0.005Base1calls / 30d