Every agent-payable API.

One paid call on ch-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://ch-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on cm-kg.io for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://cm-kg.io/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on cm-kg.org for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://cm-kg.org/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on cm-record.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://cm-record.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on cm-record.io for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://cm-record.io/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on cm-record.org for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://cm-record.org/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on de-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://de-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on fr-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://fr-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on hk-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://hk-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on jp-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://jp-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on kr-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://kr-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on kyp-model.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://kyp-model.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on nl-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://nl-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on sg-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://sg-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on uk-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://uk-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One paid call on us-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://us-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

One parking lot by its ID: location, live free spaces, hourly price in USD, opening hours, facility type and amenities

One payment: DNS + TLS cert + RDAP WHOIS + HTTP HEAD for brand protection and security agents

One pump.fun coin in full: its metadata and bonding-curve/AMM state (coins-v3), the live indexer row (market cap, volume, dev wallet, program, creation time), trading activity windows (5m/1h/6h/24h transactions, volume, buyers and sellers, price change), all-time-high market cap and holder count. Use for a quantitative read on a pump.fun token.

One-shot health probe for any endpoint: HTTP status and latency, TLS certificate issuer and days-to-expiry, response size, security-header audit (HSTS, CSP, X-Content-Type-Options, X-Frame-Options) and named issues (SLOW_RESPONSE, CERTIFICATE_EXPIRING, SERVER_ERROR_STATUS). Call it on a schedule and you have uptime monitoring for a fraction of a cent.

One-shot prepaid tap: empty body buys a 100000-token openai/gpt-6-luna key

One-shot prepaid tap: empty body buys a 100000-token openai/gpt-6-luna key

One stablecoin: supply by chain, peg price and depeg — Genesis402 / UnyKorn Operator Network

One Stellar transaction, including its memo — Genesis402 / UnyKorn Operator Network

One bounded OpenAI-compatible chat completion via ZenMux, the honest Oblique equivalent of CheapTokens AI inference access; max 24,000 input characters and 600 output tokens

One call for the whole network picture: cluster health, current slot, epoch progress, SOL/USD price AND the top trending Solana pairs. Replaces 5 separate calls.

One call, the whole pre-trade picture: crypto market sentiment (Fear & Greed + global stats), live Base gas/block, optional token price(s) and related prediction-market odds. A bundled decision snapshot for trading agents, $0.01.

One call: network health (slot, epoch %, SOL/USD) plus the current trending DEX pairs. The daily dashboard for a trading agent.

One piece of practical advice about work, life or money, in English or Spanish. Short, concrete and usable - not a fortune cookie. Filterable by topic, with an id to avoid repeats and a seed for reproducibility.

One pkgproof package verification

One-call market brief: BTC/ETH/SOL, Base gas, sentiment

Generate a single-use Coinbase Onramp URL that lets a human fund any wallet with a card or Apple Pay - the fastest way to put real USDC into an agent's wallet. Returns the ready-to-open URL, and a fee-inclusive quote when Coinbase provides one. Networks: base, ethereum, polygon, arbitrum, optimism, solana.

OP Mainnet DeFi overview: TVL trend, top protocols, stablecoins, DEX volume, fees — Genesis402 / UnyKorn Operator Network

Open DEX offers placed by an XRPL account — Genesis402 / UnyKorn Operator Network

Open interest (OI) of one coin's perpetual futures by exchange: Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, OKX. Per venue OI in coins and USD and its share, the total, and the OI change over 1h, 4h and 24h from the venues' own history. Perp open interest and futures open interest for BTC, ETH, SOL and more. Data only. Bad input is free; under 3 venues not charged.

Open Mic Night — Raw comedy performance for understanding development, failure, and experimentation.

Open offers an account has on the Stellar DEX — Genesis402 / UnyKorn Operator Network

CycloneDX SBOM vulnerability check — analyze bounded JSON 1.5 software bill of materials components against OSV and prioritize exact CVE matches from CISA KEV without remote document fetches.

Batch dependency vulnerability check — check ordered exact package versions in OSV with deduplicated CVE enrichment, explicit completeness, and CISA KEV known-exploited signals.

Package vulnerability check — check one exact open-source dependency version or purl against OSV, enrich CVE matches with CISA KEV known-exploited signals, and report fixes, severity, and provenance.

OpenAI GPT OSS 120B API (openai/gpt-oss-120b): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need OpenAI GPT OSS 120B on demand. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.

Fetch an OpenAPI/Swagger spec (JSON or YAML) and summarize it for an agent: title, version, servers, authentication schemes and every endpoint with method, path, summary and required parameters.

OpenAI-compatible chat completion. Pay per request in USDC via x402: no signup, no API keys. Price scales with prompt size and max_tokens.

Verify an OpenTimestamps proof (.ots as base64, from btc-timestamp or any ots client): upgrades pending proofs from the calendars, checks each Bitcoin attestation against the real block's merkle root and returns status (confirmed, pending), block height and time, the upgraded proof, and whether your text, hash or URL matches.

OpenAI pre-IPO fundamentals as JSON: FY2025 revenue, monthly revenue, ChatGPT users and subscribers, March 2026 round size and post-money valuation, new round target and valuation in talks, SoftBank bond financing and stake, valuation-to-run-rate multiple. Each number has its own source URL, verification grade and value type.

OpenAI pricing table: per-token cost of every AI model OpenAI serves, in one call — input, output, cache and batch USD per 1M tokens, ranked cheapest first, with context window and capability flags joined in. Compare LLM token cost inside OpenAI and against other providers hosting the same model. Normalized from public sources, cross-checked, refreshed hourly.

OpenAI's latest flagship model — top-tier reasoning, coding, and multimodal capabilities

OpenAlex scholarly search: works with citations and open-access links — Genesis402 / UnyKorn Operator Network

OpenAPI discovery audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.

OpenAPI discovery decision fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.