Agent & Infrastructure

Measurement history for one x402 merchant: state, settlement txid, latency, advertised price and price actually charged, purchase by purchase

Deterministic text tools for AI agents: normalize, strip HTML, sha256/blake2b, truncate, slugify, count, dedupe lines, OpenCC zh convert. $0.001 per call, USDC on Base (x402). Max body 100 KiB. No network I/O. Failures are not charged.

Quote and estimate PDF generator — priced offer with line items, VAT and a validity date; quote/devis API so AI agents can send professional price offers before closing a deal. Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-quote-estimate","request":" "}.

DDG agent-payable service request

Purchase dossier for the domain agentfive.ai: fixed price US$5,000,000 USD, every payment route (USDC on Base, escrow, marketplace), the transfer procedure and the seller's attestation. Use when an agent or its operator wants to buy this domain name.

Read what an MCP server does before connecting: findings quoted at file:line from its published source. POST {ecosystem:'mcp', name, version}. Charged only when an analyzed result is returned.

x402 services ranked by 30-day on-chain settlement volume, optionally by category.

US earnings call AI summary ($0.1 USDC). Korean-language AI summary of an earnings call transcript. Defaults to the most recent call; pass ?period=YYYY-QN (e.g. 2026-Q2) for a specific quarter. e.g. AAPL, NVDA, TSM.

Buy tokenized physical gold (XAUH) on TON through x402 using supported stablecoins. Payment settlement creates a purchase request; automated delivery continues asynchronously and can be tracked through statusUrl until COMPLETED.

Smallest paid pack ($0.005): a machine-readable merge checklist and a one-request smoke purchase on this store. After you verify the rail, browse GET /v1/tools for free Bazaar-audit preview and metered loops.

DDG agent-payable service request

Agent Vetting Bureau — Register a URL for change monitoring; returns a watch token (webhook delivery is v2). Params: url.

Eve’s live paper book JSON. Call when an agent needs the current book, not the 15-minute delayed tape.

Pre-sign security verdict for autonomous agents: before an agent SIGNS and settles a transaction, get an allow/warn/block verdict with reasons. Decodes the calldata to catch UNLIMITED approvals (spender can drain the token without further signatures), and cross-checks the token (honeypot, mintable, pausable, hidden owner, blacklist, buy/sell tax via GoPlus) and the spender/recipient (phishing, blacklist, sanctions via GoPlus address-security + Chainalysis + TRM). Use it as a last-mile guard before approving a token or signing a tx. Ed25519-signed provenance. 0.015 USDC on Base. POST {"chain":"base","to":"0x..","data":"0x.."} to verify a tx before signing, or {"chain":"base","token":"0x.."} to verify a token before approving.

Automaton-Sovereign Value API call

Automaton-Sovereign Value API call

Automaton-Sovereign Value API call

Automaton-Sovereign Value API call

Web search: ranked results (title + url) for a query. ?q=x402+agent+payments&limit=8

RSS / Atom Feed Reader: parse any RSS/Atom feed into clean items Executed deterministically by the AmanChain node against live consensus state (real blocks, pools, balances) — paid per call via x402, settled in USDC on Base. Input: JSON body {"serviceId":"aman-rss-read","request":" "}. No account, no API key.

Audit one x402 seller origin and paid route using public Circle runtime-readiness plus Agent402 routing/settlement evidence. Returns machine_buyable, contract_ready, or repair_required with exact next actions. No target payment is sent.

What x402 agents actually pay for: the Bazaar's top services by real 30-day call volume and unique payers, with per-category totals and the market median. Read from the facilitator's own usage counters.

Call when you need an LLM completion and have no API key: OpenAI-compatible chat completions (DeepSeek chat model), pay per call. Up to 16000 characters in, 512 tokens out, no streaming. Invalid requests are not charged.

DDG agent-payable service request