Agent & Infrastructure

DDG agent-payable service request

DDG agent-payable service request

DDG agent-payable service request

Probe one target endpoint's x402 402 handshake and return a signed verdict: ok | drift | payto_rotated | unreachable | invalid. Body: {url, expected?: {payTo?, max_price_usd?, network?}}. 'expected' only produces informational expected_mism

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

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

DDG agent-payable service request

DDG agent-payable service request

Governed agent execution: x402 payments, budgets, receipts, verification, and audit.

Get x402 payment network stats and volume

Library Docs — pypi fastapi. Up-to-date library documentation for coding agents: the latest published README and metadata (version, license, install command, docs URL, repository) for any npm, PyPI, crates.io, Go module or GitHub package, split into sections with a table of contents. Ask for only what you need with ?q= (search terms) or ?section= (a heading) instead of the whole file. Unknown packages are free 404s.

Send a message to an agent inbox (target handle in the JSON body). Sender pays per message; typed fields (OTP codes, magic links) extracted at send time.

x402 Bestsellers — what agents actually pay for. x402 bestsellers: what agents actually pay for, from Coinbase's own 30-day usage — resources ranked by unique paying agents with price, calls, estimated revenue and networks. Filter by category, network and minimum payers. Free summary at /api/market/summary.

Safe Outbound Email and Messaging. A messaging workflow that resolves recipients, separates drafting from sending, scans sensitive content, binds approval to the final message and attachments, sends idempotently, and verifies delivery state without misrepresenting identity.

Agent Planning and Task Decomposition. A plan representation that distinguishes goals from assumptions, orders dependencies, predicts side effects and cost, requests missing decisions, and closes only when observable acceptance tests pass.

Knowledge Freshness, Correction, and Deletion. A lifecycle policy and scanner that tells clients what was known when, prefers current authoritative records, preserves justified history, propagates correction/deletion, and reports stale or uncertain results honestly.