Every agent-payable API.

X402 Network Match: X402 Network Match compares a challenge network identifier with buyer-supported networks from bounded caller-supplied values without an external provider. Call X402 Network Match before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Network Match as versioned deterministic JSON. Price…

X402 Openapi Route Check: X402 Openapi Route Check checks one OpenAPI operation for tool id, request schema, and 402 response from bounded caller-supplied values without an external provider. Call X402 Openapi Route Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Openapi Route Check as versio…

X402 Pay To Match: X402 Pay To Match compares challenge pay-to address with an expected merchant address from bounded caller-supplied values without an external provider. Call X402 Pay To Match before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Pay To Match as versioned deterministic JSON. Price: $0.0…

X402 Payment Deadline Check: X402 Payment Deadline Check checks payment authorization deadline against caller time budgets from bounded caller-supplied values without an external provider. Call X402 Payment Deadline Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Payment Deadline Check as ver…

X402 Payment Header Shape: X402 Payment Header Shape checks a caller-supplied payment header for bounded base64 or JSON shape from bounded caller-supplied values without an external provider. Call X402 Payment Header Shape before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Payment Header Shape as vers…

X402 Payment Nonce Check: X402 Payment Nonce Check checks a payment nonce for presence, length, and caller-known reuse from bounded caller-supplied values without an external provider. Call X402 Payment Nonce Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Payment Nonce Check as versioned det…

X402 Payment Payload Size: X402 Payment Payload Size checks serialized payment payload bytes against a buyer limit from bounded caller-supplied values without an external provider. Call X402 Payment Payload Size before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Payment Payload Size as versioned deter…

X402 Payment Replay Key: X402 Payment Replay Key derives a stable non-secret replay-detection key from payment metadata from bounded caller-supplied values without an external provider. Call X402 Payment Replay Key before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Payment Replay Key as versioned dete…

x402 PayTo Pre-Flight: verify a payTo address against the live registry before paying. Detects payTo hijacking, stale endpoints and unknown resources. Deterministic, <200ms, no external network. 0.001 USDC via x402 on Base. SYNTHORA.

X402 Portfolio Route Check: X402 Portfolio Route Check checks one portfolio entry for ownership, economics, resource, and discoverability from bounded caller-supplied values without an external provider. Call X402 Portfolio Route Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Portfolio Route…

X402 Price Drift Check: X402 Price Drift Check compares advertised and challenged raw prices against a tolerance from bounded caller-supplied values without an external provider. Call X402 Price Drift Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Price Drift Check as versioned deterministic…

Live catalog of every x402 agent service in the ForgeMesh fleet: name, category, live route count, and price range per service, sourced from each service's own public API discovery surface. Filter by category (onchain-intel, voice, travel, econ-intel, commerce, infra, media, utility-grid). Pair with fleet-product-detail for exact routes, input schemas, and worked call examples.

x402-Readiness Check (CDP-settled mirror) — Does your payment surface parse as PAID and DISCOVERABLE to the x402 registries? Static validation against the published registry shapes; none of your endpoints are called.

X402 Refund Amount Check: X402 Refund Amount Check compares requested refund raw amount with original settled amount from bounded caller-supplied values without an external provider. Call X402 Refund Amount Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Refund Amount Check as versioned deter…

X402 Refund Deadline Check: X402 Refund Deadline Check checks a refund request timestamp against a policy window from bounded caller-supplied values without an external provider. Call X402 Refund Deadline Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Refund Deadline Check as versioned deter…

X402 Refund Eligibility Check: X402 Refund Eligibility Check evaluates caller-supplied delivery outcome against explicit refund reasons from bounded caller-supplied values without an external provider. Call X402 Refund Eligibility Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Refund Eligibi…

X402 Refund Receipt Check: X402 Refund Receipt Check checks caller-supplied refund receipt identifiers, amount, and status from bounded caller-supplied values without an external provider. Call X402 Refund Receipt Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Refund Receipt Check as version…

X402 Registry Route Check: X402 Registry Route Check checks one runtime registry entry for tool, path, method, and upstream from bounded caller-supplied values without an external provider. Call X402 Registry Route Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Registry Route Check as versio…

X402 Resource Match: X402 Resource Match compares challenge resource URL with the intended paid resource from bounded caller-supplied values without an external provider. Call X402 Resource Match before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Resource Match as versioned deterministic JSON. Price:…

X402 Response Header Shape: X402 Response Header Shape checks a payment-response header for bounded base64 or JSON shape from bounded caller-supplied values without an external provider. Call X402 Response Header Shape before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Response Header Shape as version…

X402 Retry Safety Check: X402 Retry Safety Check checks whether retrying after challenge or delivery failure risks double settlement from bounded caller-supplied values without an external provider. Call X402 Retry Safety Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Retry Safety Check as v…

X402 Scheme Select: X402 Scheme Select selects the first buyer-supported payment scheme from challenge options from bounded caller-supplied values without an external provider. Call X402 Scheme Select before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Scheme Select as versioned deterministic JSON. Pri…

The exact call spec for one x402 service in the ForgeMesh fleet: routes, methods, prices, JSON input schemas, and worked examples, pulled from that service's own live API discovery surface. Pass `product` (id or name from fleet-products). Built for agents integrating a new paid tool without trial-and-error against its API.

X402 Settlement Amount Check: X402 Settlement Amount Check compares settled raw amount with the accepted challenge amount from bounded caller-supplied values without an external provider. Call X402 Settlement Amount Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Settlement Amount Check as ve…

X402 Settlement Network Check: X402 Settlement Network Check compares settlement chain with the accepted challenge network from bounded caller-supplied values without an external provider. Call X402 Settlement Network Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Settlement Network Check as…

X402 Settlement Recipient Check: X402 Settlement Recipient Check compares settlement recipient with the accepted pay-to address from bounded caller-supplied values without an external provider. Call X402 Settlement Recipient Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Settlement Recipient…

X402 Settlement Tx Shape: X402 Settlement Tx Shape checks a settlement transaction identifier for expected chain shape from bounded caller-supplied values without an external provider. Call X402 Settlement Tx Shape before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Settlement Tx Shape as versioned det…

x402 spend accounting for any Base wallet — totals + per-service breakdown reconstructed from chain data. $0.01 USDC.

What's for sale at x402swag.com and how an agent actually buys it: categories, items with price ranges, and a how_to_buy breakdown covering free browsing, cart/checkout, dynamic per-order x402/card settlement, and the store's paid one-call catalog shortcut. Optional category filter.

X402 Timeout Check: X402 Timeout Check checks challenge expiration and minimum buyer processing time from bounded caller-supplied values without an external provider. Call X402 Timeout Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Timeout Check as versioned deterministic JSON. Price: $0.001…

x402dir facilitator recommender: pick the best x402 payment facilitator by chain, token, and monthly volume. Returns ranked facilitators with fee estimates (JSON).

Convert XML to JSON (attributes prefixed with @, text as #text, repeated tags become arrays) or JSON back to XML. Give from/to and the source string.

Retrieve recent public X/Twitter posts from one or more named public account handles for monitoring, comparison, OSINT, social intelligence, and source-linked summaries. Returns an asynchronous task with scoped polling access; it does not search X-wide keywords, access private accounts, or control an X account.

Paid compressed relationship map connecting Yellowstone geysers, hot springs, mud pots, fumaroles, Old Faithful, Grand Prismatic Spring, Mammoth Hot Springs, Norris Geyser Basin, thermal ecology, and microbial life.

Paid machine-readable Yellowstone Thermal Features registry connecting geysers, hot springs, mud pots, fumaroles, Old Faithful, Grand Prismatic Spring, thermophiles, microbial mats, hydrothermal systems, and Yellowstone thermal ecology.

Rank up to 10 stablecoin/yield options by projected return over a horizon at each stated APY.

Yield pool safety: peg of every underlying asset, yield sustainability, emission dependence, exit depth

ScalpStream crypto staking-and-interest yield feed (impersonal research publication)

Top DeFi yield opportunities per chain from DefiLlama — TVL-filtered, outlier-cleaned (unsustainable meme-pool APYs removed), sorted by APY. Fields: project, symbol, apy_pct, apy_base_pct, tvl_usd, stable. Ideal for yield-hunting agents.

You.com Finance Research API: agentic deep research on a financial question, returning a synthesized answer with cited sources. Use when an agent needs well-reasoned market or company analysis for a trading or investment decision. JSON body: input (required question), research_effort (standard | deep | exhaustive, default deep). Paid per call in USDC. Async: paying returns a jobId; poll the SIWX-authed poll_url for the result (deep research takes 1-3 min).

You.com Search API: real-time web search returning ranked results grouped by section (results.web, results.news), each with url, title and description; web results also carry snippets. Use when an agent needs fresh, citable web data (news, markets, company facts) to ground a decision. Query params: query (required), count 1-100 (default 10), livecrawl (web|news|all; fetches live page contents, charged per result), country, freshness. Paid per call in USDC.

Full transcript of any YouTube video by video id or URL: captions/subtitles as clean plain text plus timestamped segments, the video's chapter markers, and every caption track it offers so an agent can pick a language and re-fetch. YouTube transcript, video to text, captions extraction, subtitle download, closed captions, speech to text, multilingual, asr and authored tracks. No API key.

Z-score of spread series for pairs trading. Call when mean-reversion signals from a price-spread series. Returns zscore, mean, stdev as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

Z.ai's large-scale reasoning model — 1M context for long-horizon agent workflows and software engineering

Compute zakat due on wealth: cash, gold, silver, business inventory, receivables, crypto and stocks, less deductible liabilities. Returns the nisab threshold under BOTH the gold (85g) and silver (595g) standards and flags when they disagree, since the choice changes who owes. Supports lunar (2.5%) and solar (2.577%) years. Deterministic — you supply metal prices, so you control the source. Educational calculation, not a fatwa.

Compute zakat due on wealth: cash, gold, silver, business inventory, receivables, crypto and stocks, less deductible liabilities. Returns the nisab threshold under BOTH the gold (85g) and silver (595g) standards and flags when they disagree, since the choice changes who owes. Supports lunar (2.5%) and solar (2.577%) years. Deterministic — you supply metal prices, so you control the source. Educational calculation, not a fatwa.

ZenVault PL5.credits

Detect the zero EVM address used as empty/burn/default sentinel. Call when validating recipients or detecting unset address fields safely. Returns boolean is_zero plus normalized address as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

Zip key and value lists into an object. Call when you rebuild maps from parallel agent arrays. Returns object and count for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.

Batch static accessibility (WCAG 2.2) check of many UI files at once: a list of objects each with a filename, optional framework and markup. Returns a per-file pass, caution or block verdict plus a rollup with the worst verdict and totals by severity. Accessibility indicators, not a legal compliance guarantee.