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Signed spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury desk and possession book for agent spend — export, policy, evidence. POST /v1/chat/completions is the x402 USDC door on Base and Sol…

Xynaptic Asia News v2 — structured events across Asia (China, Japan, India, Korea, ASEAN, last 3h): importance, lifecycle, entities, sectors, multi-source verification, agent-ready actions. Refreshed every 2 hours. (148 paid endpoints on api.xynaptic.io.)

TRDEFI prepare request (2 paid endpoints on yield.trdefi.com.)

Which South African reference series changed or were reconfirmed since a given date. The cheap cache-freshness check for agents. Optional param: since=YYYY-MM-DD (defaults to the last 30 days). (5 paid endpoints on zaref.dev.)

Avoid unnecessary browser launches with a lightweight preflight for AI agents. ZeroWorker inspects public pages before browser automation and returns static forms, field constraints, CAPTCHA/SPA signals, DNS/public-network safety checks, a…

Fetch a reviewed public page and return its title, every meta and Open Graph tag, and the canonical URL. No JavaScript is executed and no script content is read. Returns the licence and creator for the content alongside it, so reuse terms… (14 paid endpoints on api.zfinia.com.)

Matches declared classification tokens against a supplied published dual-use control list. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disc… (8 paid endpoints on zoll.halowerk.com.)

Address-to-zoning lookup for published municipalities. Coverage: 64 municipalities in 6 states. Resolves a street address to supported municipality and, where GIS is verified, zoning district_code with lookup method. Positioning: Records t…

ClawFetch turns the open web into agent-ready data: stealth page fetching, headless JS rendering, structured extraction from 17 specialized sites (Twitter/X, GitHub, CoinGecko, Hacker News, YouTube, Wikipedia, npm, PyPI, crates.io, Product Hunt, IMDb, Amazon, Crunchbase, SEC EDGAR, Zillow, Redfin, news), multi-source research, and live WHOIS domain screening. No API keys, no accounts, no subscription — pay per request in USDC on Base via the x402 protocol, from $0.001 a call.

Paid developer services for humans and agents on Base, with selected services on Arc, and Solana USDC for toolkit services, developer tools and signal feeds. Use live HTTP 402 terms before payment.

AI image generation with style presets: production-quality text-to-image for campaigns, catalogs, and editorial. Three tiers (sketch, studio, gallery), commercial licence and C2PA credentials on every render. This server is a pay-per-use, transparent proxy in front of Driftflight's own API: it handles identity, payment, and proxying. Agents can purchase autonomously or with their human's approval. The complete verified paid surface is listed at /openapi.json, the source of truth for available operations. Each operation here carries its live price in x-payment-info. Use the operations and deta…

Search API for AI agents that need real-time web data, deep research, and structured content from one endpoint. Try our API for free.

One remote endpoint gives your agent live data from Twitter, Reddit, the open web, GitHub and more. No API keys, no scraping stack - just connect the URL and go.

Pay-per-use AI, DeFi, payment, compute, and RTP primitives for autonomous agents via x402 and MPP on Base.

Buy the cheapest inference. Sell your credits. The open order book for AI models. Up to 90% off Claude Opus 5.5, GPT 6 Astra, and more.

Canonical paid interface backed by Evidence Engine V2. Submit a natural-language query; vertical is an optional routing hint. Explicit two-subject text comparisons return independently attributed evidence, coverage, provenance, limitations…

gpt-6.1-sol (OpenAI's newest model) and 25 more OpenAI chat models (gpt-6, gpt-5.x, gpt-4.1, gpt-4o, o-series), paid per call in USDC. OpenAI token rates on Flex (half price, may answer 429; default where offered), Standard (service_tier d… (52 paid endpoints on openai.mm.family.)

Decode an EVM signature request (EIP-712 typed data, Permit/Permit2, or ERC-20 approve calldata) into a structured intent: what token, which spender, how much, until when, plus risk_flags and an action_hint. Deterministic, no LLM. Answers… (2 paid endpoints on x402-store.dgdb.workers.dev.)

Pay-to / counterparty address screen for Base: exact match against OFAC SDN published digital currency addresses (daily refresh, list date included), contract vs EOA, Blockscout verification, first-seen age and tx count, lookalike (address… (3 paid endpoints on api.x402risk.com.)

Ask the XH Agents knowledge base (15 field notes on infrastructure, x402 and agent tooling) (24 paid endpoints on xhagents.xyz.)

Pay-per-use browser sessions with crypto. No API keys, no accounts -- just pay and connect via x402 or MPP.

150+ chains, in any AI client. Install the Allium MCP server, skill, or CLI in one command — or skip the API key entirely and pay per query in USDC.

Pay-per-request Tavily web search over the x402 protocol.

Pay-per-use EBT screening endpoint (3 paid endpoints on energybilltoolkit.co.uk.)

Airport transfer options for Analysts: Search live public web pages about airport transfer options, focused on analysts. Returns source links and snippets, not endorsements. (8264 paid endpoints on market.datapackvibe.com.)

Pre-trade safety check: oracle-immune-system verdict for one trade, with verifiable EIP-712 attestation support. BLOCK verdicts are complete checks and are charged.

QuokkaPix image agent unlock for image-standard. Media stays local on the user's device.

Get the latest available price for any US-listed stock: the most recent 1-minute bar close plus today's OHLCV, change, and previous close. Currently 15 minutes delayed; each response carries `is_delayed: true`. Real-time pricing lands when… (3 paid endpoints on x402stock.pay.zeroclick.io.)