Measure verified dependency concentration and observed-but-undeclared common-mode dependencies.

Check domain and handle availability for a startup name. Checks .com/.io/.ai/.co/.dev domains, Twitter, GitHub, npm, PyPI.

Detect caller-supplied micropurchase fragmentation before an autonomous purchase proceeds.

Identify supplied continuity-risk signals without identity, fraud, or wrongdoing claims.

Check timestamp, finality, block, validity-window, and causal-order compatibility.

Before you scrape a job posting, Shopify or HTML product page, or eBay item, POST the specific URL you already have and Livecheck returns live, closed, or unknown plus title and signals (apply form, in-stock, sold-out, 404); not a search engine.

Select the least-cost verification provider set that satisfies coverage, confidence, independence, and budget policy.

Lints caller-submitted agent API, MCP, and x402 response samples for machine-actionable contract completeness without making network calls.

Classifies sanitized x402 failure facts into safe diagnostic causes without replaying payments or storing raw logs.

Compares caller-supplied x402 catalog, OpenAPI, MCP/tool metadata, and unpaid challenge samples for endpoint, method, price, currency, network, receiver, and tool drift.

Creates or verifies hash-only caller-submitted x402 response provenance records with scoped idempotency and one-time lookup secrets.

DDG agent-payable service request

Detect elevated control-bypass risk from fragmented, delegated, wallet-hopped, near-threshold, burst, repeated, or concentrated autonomous spend.

Claude API for AI agents, pay per token, no API key or account - POST an Anthropic Messages request (messages, system, tools, tool_choice, thinking) and get the full response back. Claude Opus 5, Sonnet 5, Haiku 4.5. Tool calling / function calling supported. Billed on actual usage at list price + 25%, capped at $0.25 per call (x402 upto scheme). LLM inference, chat completions, keyless Claude, Anthropic proxy. Free price sheet: /llm/models.

Fetch a web page and return its title, description, Open Graph and Twitter card tags, icons and canonical URL.

DDG agent-payable service request

DDG agent-payable service request

DDG agent-payable service request

DDG agent-payable service request

DDG agent-payable service request