Buyer agents use this before spending on other x402 APIs: rank services, audit endpoint payment risk, inspect providers, and preflight hot lanes like lead enrichment and IMDb/movie/TV media-data routes.
Start free: each featured paid route exposes a source-tagged preview so external buyer discovery can be measured separately from Money Tree probes.
Paid buyer preflight for stock quote/market-data x402 routes. Given a ticker, candidate realtime price endpoint, budget, and freshness requirement, returns pay | manual_review | avoid, 402/payment-shape sanity, market-hours/freshness/licensing warnings, exact request plan, fallback shortlist, spend cap, receipt fields, and stop conditions before an agent pays financial data routes. Priced at $0.04.
POST /v1/x402/financial_data_route_preflight — $0.04 USDC
Paid buyer preflight for IMDb/movie/TV/media database x402 routes. Given a title/person lookup intent, candidate media data endpoint, budget, and freshness requirements, returns pay | manual_review | avoid, 402/payment-shape sanity, schema/freshness/licensing risks, exact request plan, fallback shortlist, spend cap, and stop conditions before an agent pays media data routes. Priced at $0.04.
POST /v1/x402/media_data_route_preflight — $0.04 USDC
Paid x402 lead-enrichment package for buyer agents in the StableEnrich/Apollo demand lane. Given a target market, persona, geography, filters, and max lead count, returns a ranked prospect/account pack with fit reasons, public evidence URLs, missing-data flags, enrichment recommendations, budget policy, and outreach-ready JSON. Priced at $0.75; does not claim verified personal emails unless upstream enrichment verifies them.
POST /v1/x402/lead_pack — $0.75 USDC
Tiny buyer-side x402 payment-risk oracle priced at $0.01. Given a quoted x402 resource, payTo, amount, network, and optional paymentRequirements, returns pay | avoid | manual_review, quote sanity, payTo/network/resource binding checks, replay/double-pay risk, seller discovery/readback, suspicious pricing vs category, and the exact buyer cap/policy before an agent signs or pays.
POST /v1/x402/payment_risk — $0.01 USDC
One-call x402 service selector for buyer agents: given an intent and budget, return the pay/skip/reroute verdict first, then warnings, price/payment metadata, evidence, and fallback action before the agent spends.
POST /v1/x402/service_rank — $0.03 USDC
Tiny paid pre-payment oracle for one x402 endpoint: returns pay/block/cap verdict first, warnings and exact 402 term checks second, then execution policy, replay/binding checks, and seller fix appendix. Free preview includes paid_request_body + preview_id; paid route is now $0.03 to match try-it conversion pricing.
POST /v1/x402/endpoint_risk — $0.03 USDC
One-call provider trust dossier before an agent pays a seller: verdict/recommendation first, warnings, confidence, evidence, cap, stop conditions, payment-proof policy, and fallback route before a buyer signs or pays.
POST /v1/x402/provider_dossier — $0.03 USDC
Buyer-wallet recognition for x402 sellers and marketplaces: given a payer wallet, return whether it has paid Money Tree, call count, endpoint mix, preview attribution carried into paid calls, and whether the wallet is external or self-funded proof.
POST /v1/x402/buyer_dossier — $0.03 USDC
Cross-source category and seller map for x402 paid services with revenue/call/payer concentration, registry coverage, and schema-quality gaps.
POST /v1/x402/market_map — $0.08 USDC
Paid search API and paid API discovery for agents searching verified x402 APIs: rank pay-per-call endpoints by buyer demand, price, registry coverage, schema/examples, seller score, endpoint rankings, and route reliability.
POST /v1/x402/paid_api_discovery — $0.08 USDC
Verified x402 API directory for autonomous agents: discover x402 pay-per-call endpoints with settlement proof, schema quality, examples, freshness, seller score, and registry coverage.
POST /v1/x402/verified_endpoints — $0.08 USDC
x402 endpoint rankings and seller score leaderboard for paid API discovery: compare resources by revenue proof, buyer breadth, price, metadata quality, and reliability signals.
POST /v1/x402/endpoint_rankings — $0.08 USDC
Hosted x402 marketplace search-rank monitor for paid API discovery terms: records x402 Market Intel rank, top competing resources, rank deltas, freshness, and next proof action from recurring D1 marketplace snapshots.
POST /v1/x402/search_rank_monitor — $0.20 USDC
Hosted buyer-intent gap report for x402 paid API discovery: mines recurring marketplace snapshots and search-rank observations to rank urgent agent queries, under-indexed x402 Market Intel routes, competitor coverage, and next dataset/MCP route to ship.
POST /v1/x402/buyer_intent_gap_report — $0.30 USDC
Hosted autopay readiness matrix for agents choosing paid x402 APIs: scores routes by payment envelope quality, schema/examples, buyer proof, price risk, seller breadth, freshness, and registry coverage before autonomous spend.
POST /v1/x402/autopay_readiness_matrix — $0.20 USDC
Hosted proof-lift report for x402 paid API discovery campaigns: combines paid-call telemetry with recurring marketplace rank observations to show route proof coverage, index/rank movement, buyer-query lift, and the next bounded proof action.
POST /v1/x402/proof_lift_report — $0.20 USDC
Hosted keyword visibility pack for x402 paid API discovery: derives buyer search vocabulary, listing copy, schema/example gaps, route aliases, and proof terms from recurring CDP+PayAI resources, rank observations, and seller-score signals.
POST /v1/x402/keyword_visibility_pack — $0.15 USDC
Score a payTo wallet, domain, or resource for observed revenue proof, buyer breadth, metadata quality, registry coverage, and route reliability.
POST /v1/x402/seller_score — $0.05 USDC
Detect categories where buyer demand, revenue, or payer growth is high relative to supply and metadata completeness, highlighting underserved wedges.
POST /v1/x402/emerging_categories — $0.10 USDC
Route-level trust/readiness report for an agent deciding whether to autopay an x402 resource, combining registry presence, schema/examples, seller proof, and peer category context.
POST /v1/x402/resource_due_diligence — $0.15 USDC
Hosted proprietary category-gap report for builders: ranks x402 paid-service categories by observed demand, seller concentration, schema/example gaps, registry coverage, and freshness deltas from recurring D1 snapshots.
POST /v1/x402/category_gap_report — $0.10 USDC
Time-series trend report from hosted D1 x402 observations: category demand deltas, new resources, seller concentration shifts, metadata-quality drift, and next build/proof recommendation.
POST /v1/x402/category_trends — $0.08 USDC
Aggregates x402 endpoints earning more than a revenue threshold and extracts copyable examples: pricing, schema/example completeness, registry coverage, request/response examples, metadata patterns, and why agents appear willing to pay. Refreshed from hosted CDP+PayAI discovery ingest.
POST /v1/x402/top_earning_examples — $0.30 USDC
Seller-facing rank, listing, and payment-probe doctor across CDP, PayAI/Bazaar, AgentCash/x402scan, 402index, and x402gle/OpenDexter evidence where available. Returns verdict, surface matrix, exact metadata/schema/payment fixes, and the next measurable proof gate.
POST /v1/x402/listing_rank_doctor — $0.25 USDC
Buyer-agent shortlist for an x402 intent with spend cap, fallback route, avoid list, exact payment plan, and stop conditions before autonomous spend.
POST /v1/x402/buyer_autopay_shortlist — $0.25 USDC
Topdog-shaped endpoint risk preflight: one x402 URL in, pay/avoid/cap verdict out with live 402 probe, hosted graph evidence, examples, and exact autopay stop conditions.
POST /v1/x402/x402_endpoint_preflight — $0.20 USDC
EVM transaction preflight modeled on top-earning tx simulator/explainer endpoints: decode target/value/data shape, probe bytecode, flag approvals/transfer selectors, and return sign/avoid/manual-review verdict.
POST /v1/x402/tx_preflight_for_agents — $0.15 USDC
Token/contract risk scan inspired by the top x402 earner: contract bytecode, ERC-20 metadata, high-risk function selectors, proxy/admin hints, and a pay/avoid/manual-review score for agent spend.
POST /v1/x402/token_contract_risk_scan — $0.25 USDC
Seller-facing schema/example doctor: compares an x402 resource to top-earning examples and returns exact missing request/response examples, listing copy, schema patches, and a measurable polish gate.
POST /v1/x402/api_example_doctor — $0.08 USDC
Approval-specific spend-risk preflight for agents: parse ERC-20 approve/permit/transfer calldata, identify spender and amount, check token/spender bytecode/current allowance, and return allow/deny/cap/revoke verdict before autonomous spend.
POST /v1/x402/approval_spend_diff — $0.15 USDC
Solana-heavy buyer-intel bridge: normalize Solana mint/signature/account checks into the same agent spend verdict format as EVM preflight, using live Solana RPC where possible and hosted top-earner demand patterns.
POST /v1/x402/solana_risk_bridge — $0.15 USDC
SPL token preflight for agents before trading, accepting, or routing to a Solana mint: live mint parsing, authority/freeze/supply checks, top-earner comps, verdict, risk score, and recommended spend/trade cap.
POST /v1/x402/solana_token_preflight — $0.25 USDC
Base64 Solana transaction in, simulation/explanation verdict out: live simulateTransaction, logs, units consumed, account keys/instructions when parseable, sign/manual-review/avoid decision, and next action.
POST /v1/x402/solana_tx_simulate_explain — $0.09 USDC
Program id in, trust verdict out for Solana agents: live executable/owner/lamports check, upgradeable-loader authority hints when available, known-program labels, usage comps, and sign/avoid policy.
POST /v1/x402/solana_program_risk_scan — $0.08 USDC
Verifies whether a paid search/API result is worth paying for: query fit, freshness, schema/example quality, price fit, registry evidence, and pay/no-pay verdict.
POST /v1/x402/paid_search_result_verifier — $0.08 USDC
Category-sensitive price optimizer for x402 sellers: compares a route to live paid endpoints, topdog prices, calls, payers, and revenue to recommend a price band and A/B test.
POST /v1/x402/micro_price_optimizer — $0.08 USDC
Scores an x402 endpoint listing against top-earning patterns and returns blockers, copy/OpenAPI patch payload, readback/measurement gate, and the next conversion action.
POST /v1/x402/agent_listing_conversion_score — $0.10 USDC
Watches a category, query, domain, or payTo against live x402 graph competitors: rank deltas, winning copy/schema/pricing patterns, and one concrete move to copy for the next 48h.
POST /v1/x402/competitor_rank_watch — $0.15 USDC
Turns listing/readback/preview proof into the smallest paid-call experiment: exact audience, source-tagged preview, paid JSON offer, stop conditions, and 48h measurement gate.
POST /v1/x402/proof_to_paid_playbook — $0.12 USDC
Lane-specific paid buyer package for hot AI inference/content-generation x402 routes. Given an intent, category, budget, and optional candidate resources, returns a pay/skip/cap decision, quote-before-signing checklist, receipt requirements, fallback order, and wash-adjusted 24h movement evidence before an agent pays expensive inference endpoints.
POST /v1/x402/inference_preflight — $0.08 USDC
Lane-specific paid buyer package for the hot content_generation x402 route family. Returns a pay/manual-review verdict, rights/schema/receipt checks, max unit and total spend caps, fallback order, and wash-adjusted 24h movement evidence before an agent pays a text/image/media generation endpoint.
POST /v1/x402/content_generation_preflight — $0.08 USDC