Pre-trade context bundle for autonomous crypto agents: wallet balance, allowance, gas, realtime price, 24h statistics and best bid/ask. Call immediately before every automated trade, swap or payment and refresh again before the next execution. Data only.

Transaction confirmation watch for autonomous agents. Poll about every 15 seconds while pending, reusing the returned next request/state, and stop automatically once confirmed or reverted.

Recurring crypto treasury snapshot for autonomous agents: balances, gas and recent USDC/ERC-20 activity with cursor/state and a ready next request. Designed for scheduled treasury/accounting loops; repeat about every five minutes while active.

Recurring wallet monitor for crypto agents. Check balances and new USDC/ERC-20 transfers since the prior cursor, then return a ready next request. Designed to be called about every 60 seconds for deposit detection, payment monitoring and treasury alerts.

Detect whether a webpage changed. Website change detection and recurring webpage monitoring for price changes, inventory changes, availability changes, documentation updates, policy updates and competitor monitoring. Compare current content with previous_hash or previous_text and return current_hash plus deterministic change status and diffs.

Crypto OHLCV candles for autonomous trading and indicator pipelines. Supports 1m–1d bars and is designed for recurring refresh; poll again when the selected candle interval advances.

Gas price in the Roundhouse canonical contract: CAIP-2 chain to current base_fee_gwei and as_of. Recurring fee-state primitive for transaction timing and autonomous execution.

Compute SHA256 hash or SHA-512, SHA-1 and MD5 checksums for UTF-8 text and return hex plus Base64 digests. Use for SHA256 hashing, checksum verification, integrity checks, content fingerprints, cache keys, deduplication and agent pipelines.

Extract webpage metadata, OpenGraph and JSON-LD. Returns title, description, canonical URL, robots directives, headings, Open Graph, Twitter cards and structured data for one public URL per paid request.

Extract webpage metadata, OpenGraph and JSON-LD for one public URL. Scalar single-URL contract for MCP and autonomous buyer runtimes.

List a wallet's native ETH and USDC balances with human-readable amounts. Canonical wallet-balance contract for autonomous agents: address plus optional CAIP-2 chain.

Convert a public webpage URL to clean Markdown for RAG, grounding, research, summarization and LLM context. Returns agent-ready Markdown plus page metadata while stripping navigation, scripts and boilerplate from static public HTML.