All Services

Returns a list of all available Bitcoin Core RPC commands or detailed help text for a specific command from chainquery's independent full node

Returns the active ZMQ notification endpoints configured on chainquery's independent Bitcoin full node

Returns information about active RPC commands and current server state from a Bitcoin Core full node via pay-per-call x402 protocol

Returns per-peer connection details for every node currently connected to chainquery's independent Bitcoin full node via Bitcoin Core getpeerinfo RPC.

Returns known peer addresses from the Bitcoin Core node's address manager via pay-per-call RPC

Returns Bitcoin Core network info (version, subversion, peer connections, relay fee) from chainquery's independent full node via pay-per-call x402 protocol

Returns cumulative Bitcoin network traffic totals (bytes sent and received) from chainquery's independent Bitcoin Core full node via pay-per-call x402 protocol.

Returns Bitcoin mining info (difficulty, network hashrate, mempool size, chain) from an independent Bitcoin Core full node via pay-per-call x402 micropayment

Returns all in-mempool descendant transactions of a given transaction using Bitcoin Core's getmempooldescendants RPC, via pay-per-call x402 micropayment.

Returns in-mempool ancestor transactions (txids or full entries) for a given unconfirmed Bitcoin transaction via Bitcoin Core RPC

Returns Bitcoin Core node memory usage statistics via a pay-per-call x402 RPC call to getmemoryinfo

Returns the status of optional Bitcoin Core node indexes (e.g. txindex, blockfilterindex, coinstatsindex) from a full Bitcoin node, pay-per-call via x402.

Returns the current proof-of-work difficulty from Bitcoin Core via a pay-per-call x402 endpoint, no API key required.

Analyzes a Bitcoin output descriptor and returns its checksum and normalized (canonical) form using Bitcoin Core RPC

Returns Bitcoin soft-fork deployment and activation status from an independent Bitcoin Core full node via pay-per-call RPC over x402.

Returns the number of active peer connections to chainquery's independent Bitcoin full node via pay-per-call x402 protocol

Fetches block header fields (version, merkle root, timestamp, bits, nonce, previous hash) for a given Bitcoin block hash via Bitcoin Core's getblockheader RPC, pay-per-call over x402.

Returns the block hash for a Bitcoin block at a given height using Bitcoin Core's getblockhash RPC, served from chainquery's independent full node via x402 pay-per-call.

Returns status information about manually added peer nodes from chainquery's independent Bitcoin full node via Bitcoin Core's getaddednodeinfo RPC.

Finalizes a PSBT (Partially Signed Bitcoin Transaction) and returns the network-ready raw transaction hex via Bitcoin Core RPC, pay-per-call over x402.

Returns raw fee estimation data from a Bitcoin Core node for a given confirmation target, via pay-per-call x402 protocol.

Decodes a Bitcoin hex-encoded script into its assembly representation, type classification, and associated addresses

Decodes a Base64-encoded PSBT (Partially Signed Bitcoin Transaction) into a human-readable JSON object with inputs, outputs, scripts, and metadata via Bitcoin Core's decodepsbt RPC

Creates an unsigned Partially Signed Bitcoin Transaction (PSBT) from specified inputs and outputs via Bitcoin Core's createpsbt RPC

Builds an unsigned raw Bitcoin transaction hex from specified inputs and outputs via Bitcoin Core's createrawtransaction RPC, pay-per-call over x402.

Converts a raw Bitcoin transaction hex string into a Partially Signed Bitcoin Transaction (PSBT) via Bitcoin Core's converttopsbt RPC

Merges multiple Partially Signed Bitcoin Transactions (PSBTs) for the same underlying transaction into a single combined PSBT

Analyzes a Partially Signed Bitcoin Transaction (PSBT) to report per-input completeness, missing fields, next signing role, and estimated fee via Bitcoin Core's analyzepsbt RPC.

Computes impermanent loss percentage and dollar impact for liquidity providers given entry and current token prices on a specified blockchain

Retrieves detailed blockchain block metadata including height, timestamp, transaction count, miner address, gas usage, and proof data for a specified chain.

Returns total and circulating supply of stablecoins (e.g., USDC, DAI) for a specified blockchain network, with on-chain proof and global market context.

Returns a cross-chain crypto market overview including ETH price, top token rankings, TVL, and gas data across multiple blockchain networks

Returns real-time gas price and fee estimates for EVM-compatible blockchain networks, defaulting to Base chain.

Returns token unlock schedule and vesting data for a given wallet or contract address on a specified blockchain network

Retrieves the most recent on-chain interactions (transactions) for a given wallet or contract address on a specified blockchain network

Returns the current ETH spot price in USD on the Base network, with market cap, 24h volume, price change, and on-chain proof metadata.

Resolves an ENS name to its Ethereum address (or vice versa) using on-chain data

Returns the list of holders for a given NFT contract address on a specified blockchain network

Fetches native ETH or ERC-20 token balances for up to 20 addresses in a single call on Base or Ethereum mainnet

Fetch block metadata (hash, transaction count, age, base fee, gas utilization) for a specific or latest block on Base or Ethereum mainnet

Returns current gas price, base fee, priority fee tiers, ETH/USD price, and estimated transaction costs for Base or Ethereum mainnet

Resolves an ENS name or Basename (e.g. vitalik.eth, jesse.base.eth) to its corresponding Ethereum or Base wallet address

Fetches native ETH and ERC-20 token balances for a wallet or contract address on Base or Ethereum mainnet

Fetches ERC-20 token metadata (name, symbol, decimals, total supply, proxy info) for a given contract address on Base or Ethereum mainnet

Looks up the status, gas used, confirmations, and fee of an EVM transaction by hash on Base or Ethereum mainnet

Returns synthesized on-chain intelligence including whale transfers, trending tokens by volume, and DeFi protocol TVL movements on Base and Ethereum, with AI-written narrative briefs refreshed every 15 minutes.

Returns real-time network status for 12 EVM chains including block height, gas price, base fee, suggested priority fee, node client version, and sync status.

Decodes canonical EVM smart-contract function call data or typed ABI values, verifies selectors, and rejects ambiguous offsets or padding.

Encodes canonical typed values into EVM smart-contract ABI calldata, optionally including a 4-byte function selector and exact 256-bit integers.

Derives the EIP-1014 CREATE2 deployment address, preimage, hashes, and EIP-55 checksum for an EVM contract without requiring an RPC connection.

Derives the canonical Program Derived Address (PDA) and bump seed for a given Solana program and set of seeds, entirely offline without RPC or key handling.

Fetches the receipt for a blockchain transaction — status, gas used, fees paid, logs, token transfers, and contract creations — across multiple EVM chains.

Converts an HTML document to clean, LLM-ready Markdown by stripping scripts, styles, and navigation chrome while preserving headings, lists, tables, and links.

Resolves a token symbol or contract address to the canonical Base contract, detecting lookalike and impostor contracts that share a symbol.

Performs a live TLS probe on a hostname and returns certificate validity, expiry, issuer, chain completeness, protocol version, and cipher suite in real time.

Fetches native ETH and all ERC-20 token balances for a given Base address in a single call, read live from the blockchain at a specified block height.

Validates a Legal Entity Identifier (LEI) string against ISO 17442 structural rules: 20-character length, allowed character set, and mod-97 check digits — without querying the GLEIF registry.

Analyzes a domain name for brand impersonation patterns including homoglyph substitution, character insertion/omission, TLD swaps, and proximity to known brands, returning a suspicion verdict with matched patterns.

Returns current Base network gas conditions — base fee and priority fee in gwei — at the latest block height, to help agents decide whether to transact now or wait.

Checks a single EVM wallet address against the US OFAC SDN digital-currency address list and returns a signed match/no-match result for $0.001 per call

Returns native ETH and ERC-20 token balances for a given Base address in a single call, read live from chain at a specified block height.

Returns recent transfer count and volume for an ERC-20 token on Base, enabling agents to judge whether the token is actively used.

Validates an IBAN structurally using country-specific length rules, character set checks, and the ISO 7064 mod-97 checksum algorithm

Validates an IBAN string structurally using country-specific length rules, character set checks, and the ISO 7064 mod-97 checksum algorithm.

Validates a BIC/SWIFT code for structural compliance with ISO 9362, checking character count, bank code, country code, location code, and optional branch code segments.

Verifies a Base blockchain transaction by checking its confirmation depth, success/revert status, transferred value, token type, sender, and recipient address.

Returns total and circulating supply for an ERC-20 token on Base, with decimals applied and block height included, read live from chain.

Checks a domain's email authentication configuration by querying live DNS for SPF record and policy, DMARC policy and alignment, and DKIM selector presence.

Computes a structured per-line diff of two text blocks, returning additions, deletions, changes, and an identical flag to detect document changes.

Validates a 12-character ISIN against ISO 6166 structural rules: country prefix, 9-character NSIN format, and Luhn check digit.

Returns a hold/caution/avoid safety verdict with a risk score and detailed signals for an ERC-20 token on Base, covering ownership, mint authority, proxy upgradeability, liquidity, and transfer restrictions.

Returns a pay/hold/unknown risk verdict with supporting evidence for a Base or BNB Chain address before a payment is made, including optional OFAC sanctions screening.

Returns a pay/hold verdict with risk flags and OFAC sanctions screen for a Base or BNB Chain wallet address before payment

Analyzes on-chain USDC flow patterns for a Base address to detect seller-funded buyer activity and common funder signals indicating potential wash trading or artificial demand.

Returns a CSV report of every provable on-chain risk flag (dormant wallets, stranded USDC, concentrated counterparties, factory clones, unverified claims) for a given Base address, with each flag tied to its transactions.

Compares normalized public webpage text against a previously stored SHA-256 hash to detect whether the page content has changed.

Fetches YouTube channel metadata and a paginated list of videos for a given channel.

Returns a paginated, filterable list of AI characters available on the Venice platform, with support for search, tags, categories, model, and sort options.

Returns a time-series chart of cumulative PnL, fees, position value, and USDC flow for a given Polymarket wallet address over a specified time range and interval.

Renders a Chart.js configuration (bar, line, pie, doughnut, scatter, radar, polarArea, bubble) into a PNG image returned as base64.

Sends a prompt or messages array to a stronger LLM model and returns the completion as JSON, with a signed receipt, hard caps, and no account required — at $0.02 USDC per call.

OpenAI-compatible chat completions endpoint that accepts requests via the OpenAI SDK format and charges per call in USDC over the x402 payment protocol — no API key or signup required.

Generates a chat completion response from a curated set of frontier LLMs (GPT, Claude, Gemini, DeepSeek, Grok, Kimi, GLM) via an OpenAI-compatible interface, billed per call.

Runs non-streaming chat completions against any OpenRouter model via an OpenAI-compatible API, billed per-use via x402 micropayments at 1.10× upstream cost.

OpenAI-compatible chat completions that automatically route prompts to the best-ranked model for the task (code, reasoning, long-context, or general) without requiring the caller to specify a model.

OpenAI-compatible chat completions endpoint that bills per request based on exact BPE token usage plus max_tokens at model list price, paid via x402 protocol

OpenAI-compatible chat completions endpoint using nano-tier models (gpt-4.1-nano, gpt-5-nano, gemini flash-lite, small llama/ministral/qwen, deepseek-chat) priced at $0.003 USDC per call via x402 for high-frequency agent loops

OpenAI-compatible chat completions via x402 micropayment, routing to premium models (GPT-5, o3/o4, Claude Opus) with 64k input and 8192 token output caps

Returns a multi-signal trust assessment for any x402 seller origin, including indexing status, manifest validity, tool count, advertised chains, on-chain settled call volume, and Smart Order Router eligibility.

Checks a wallet or contract address on EVM chains or Solana and returns a pass, review, or block verdict with reasons and list dates.

Validates a 15-digit mobile device IMEI number by verifying its Luhn (mod-10) check digit.

Validates a 9-digit US ABA bank routing number using the weighted (3,7,1) mod-10 checksum algorithm

Validates EAN-8, UPC-A (12-digit), EAN-13, or GTIN-14 barcode numbers using the standard mod-10 check digit algorithm.

Validates any digit string against the Luhn (mod-10) checksum algorithm, returning whether the number has a valid check digit.

Validates an ISBN-10 or ISBN-13 book number using mod-11 or GTIN mod-10 checksum algorithms respectively, with automatic scheme selection based on digit length.

Checks availability and pricing for up to 50 specific domain names before registration

Returns a list of recently launched crypto tokens on Base, Ethereum, or BSC with safety scores and risk signals to help identify scams and rug pulls.

Fetches recent SEC 8-K filings (company events) for a specific stock ticker or the broader market, with optional filtering by item code or high-impact flag

Returns current DeFi yield opportunities filtered by asset, chain, risk tier, TVL, and stablecoin preference

Screens a person, company name, or crypto wallet address against global sanctions lists and returns risk information