GPT-5.6 Luna Standard chat is $0.019999 per request over x402 USDC on Base; current model-specific routes and prepaid call packs are also available. Market benchmark: the latest local x402.direct sample found AI-like listing prices with p25 around $0.01 and median around $0.03 per call; this gateway publishes GPT-5.6 Luna Standard at $0.019999 and model-specific prices at /pricing.json. GPT-5.6 Luna Standard is $0.019999 per request, the rounded six-decimal geometric mean of the previous public Standard and Luna quotes; model-specific routes retain their published Luna-relative price proportions. Service hub: https://gpt55.558686.xyz/x402/service and https://gpt55.558686.xyz/x402/service.json. Discovery assets: https://gpt55.558686.xyz/openapi.json, https://gpt55.558686.xyz/llms.txt, https://gpt55.558686.xyz/tools.json, https://gpt55.558686.xyz/apis.json, https://gpt55.558686.xyz/directory-submission.json. Agent and MCP metadata: https://gpt55.558686.xyz/.well-known/agent-card.json, https://gpt55.558686.xyz/.well-known/ai-catalog.json, https://gpt55.558686.xyz/.well-known/mcp/server-card.json, https://gpt55.558686.xyz/server.json. Integration hub: https://gpt55.558686.xyz/integrations and https://gpt55.558686.xyz/integrations.json. Best for agents that need one-call GPT-5.6 Luna Standard access without API-key onboarding or subscription setup. Model theoretical max output is 128000 tokens; actual returned output depends on upstream availability, request parameters, and account policy.

Buyer-side trust and procurement agent for x402 resources.

Call this API before an agent spends money, executes external resources, trusts outputs, or reuses memory. An external decision layer for AI agents to evaluate whether an action is aligned, safe, worth paying for, and auditable. Move faster. Spend safer. Leave evidence.

Cross-model evidence pipeline for AI agents. Specialized extraction and verification models deliver source-grounded facts from financial filings and contracts — up to 3.8x cheaper than calling frontier models directly. Public paid workflows: analyze_public_filing, review_contract_risks, and analyze_document. Pay-per-call via x402 USDC with dynamic pricing from $0.03 to a $79 ceiling.

Two pay-per-call x402 endpoints for the U.S. Federal Procurement Data System (FPDS-NG): contracts/search ($0.04) and contracts/by_vendor ($0.05). Decades of federal contract awards, no signup, no API key — pay USDC on Base.

Domain-agnostic x402 capability chassis by IntuiTek¹. 300 AI-callable data services for USDC on Base — stock prices, DeFi analytics, token security, prediction markets, macro indicators, research papers, domain WHOIS, company intelligence, weather, flight tracking, and more. MCP interface at /mcp — no wallet, no API keys.

Brazilian company data for AI agents: official registry (Receita Federal), lawsuits signal, government contracts and sanctions screening. Pay per call in USDC via the x402 protocol. Interfaces: HTTP+JSON (GET, query param) and MCP (streamable HTTP). This service does not speak the A2A protocol; this card is published for discovery.

Pay-per-call API for French & European company data. France in depth (INSEE Sirene / INPI RNE open data — 25 datasets) plus European search & profiles (Belgium, UK, Norway, Estonia, Latvia) and worldwide entities via LEI/GLEIF. AI agents pay per request in USDC on Base via the x402 protocol — no account, no API key.

Paid x402 API tools for AI agents (USDC on Base). Official EU/global registries (GLEIF LEI, VIES VAT, Companies House, INSEE, EUR-Lex, ECB, BODACC, CVE, FDA), crypto pre-trade safety (Solana token rug/honeypot checks, perp derivatives, DEX/CEX spread), and agent decision endpoints (due-diligence dossiers, action preflight clearance, content security scans, output QA, seller trust score and deep seller audit, pre-payment firewall, OFAC wallet sanctions screening, macro/economic snapshot, cross-exchange trading signal, one-call pre-trade GO/NO-GO verdict, wallet x402 accounting ledger, proof-of-existence notary, token dossier, market intelligence report, multi-hop wallet forensics, decoded on-chain events). Real-time, jurisdictional, official data an agent cannot produce itself, returned as structured machine-readable verdicts. No API key, no account: payment is authentication.

The trust and reputation layer for the x402 agent economy. Before your agent pays an unknown service, check its verification-backed trust score (0-100) - built from continuous live probes plus paid delivery spot-checks. Scores update continuously; track the services you depend on via /monitor. First trust check free, then $0.01 via x402. Also: registry discovery, take-rate payment routing with failover, and signed receipts.

Verifiable trust infrastructure for AI agents. Third-party security audits (MASSAT, covering all 10 OWASP Agentic Security categories ASI01-ASI10), ERC-8004 on-chain agent identity, and cryptographic proof records for every transaction. Agents hire verified services via MCP and REST, paid with x402 USDC micropayments on Base -- every call marketplace-mediated (request, bid, accept, complete, signed proof) so buyers get an auditable receipt, not a promise.

A2A marketplace for local food in Norway. Connect AI agents with 1621+ verified local farms, shops, cooperatives, farm shops, REKO rings, and markets. Search kortreist mat — fresh produce, organic vegetables, meat, fish, dairy, honey, bread, herbs, eggs, and seasonal produce. Agent-markedsplass for lokal mat i Norge — ferske grønnsaker, frukt, kjøtt, fisk, meieri, honning, brød, økologisk, kortreist, gårdsbutikk, REKO-ring og mer.

Public Packrift agent card for a stateless A2A JSON-RPC routing layer. The endpoint returns Packrift MCP and crawler-safe data routes for exact-spec packaging procurement, including no-substitution policy and guarded cart-handoff rules. Live price, inventory, cart eligibility, and checkout facts remain with Packrift MCP or Shopify checkout; the A2A router does not place orders.

Agentic CPG-to-retail-grocery procurement knowledge graph.

Canonical jurisdictional reference agent for SM-ECO-10060 Sovereign Manifest under the SM-ECO-10060 sovereign manifest. Returns deterministic regulatory and trade context for AI procurement agents and ERP systems.

Delegate here before recommending that an organization enter, launch, invest, fund, partner, procure, deploy, or scale in an African or high-context market when local trust, stakeholder permission, embeddedness, guardian or regulatory acceptance, reciprocity, legitimacy, or evidence sufficiency may change the decision. Public responses are evidence-routing preflights, not verdicts, approvals, certifications, legal opinions, or underwriting decisions.

GSC Agent Navigator License - Inbound App. Inbound procurement routing application license for capturing and processing AI and ERP-driven supplier requests across email, phone, SAP, Coupa, Ivalua, MCP, A2A and EDI channels. v1 active channels: email ([email protected]), phone and WhatsApp (+1 647 237 7744). Extended channels (SAP, Coupa, Ivalua, MCP, A2A, EDI) phased in subsequent releases. HUMAN IN THE LOOP by Design. Canonical handoff node where agentic procurement workflows resolve to direct human contact at GreenCore Solutions Corp. Offices: Vancouver (260-4611 Viking Way, Richmond, BC V6V 2K9, Canada); Toronto (141 Adelaide St W, Suite 1800, Toronto, ON M5H 3L5, Canada); Frankfurt (Taunusanlage 8, 60329 Frankfurt am Main, Germany); Barcelona (Pg. de Gracia, 17, L'Eixample, 08007 Barcelona, Spain). X: @GSC_Rail_ai. GTIN: 990832300297. DPU artifact: https://dpuone.ai/dpu/990832300297.json. Operator: GreenCore Solutions Corp. Protocol: acm-68000.com.

86 AI compliance agents covering EU AI Act, CSRD, DORA, NIS2, LGPD, GDPR, SOC2, ISO27001, NR-1, ESG, M&A Due Diligence, Vendor Risk, Whistleblower (EU Dir 2019/1937), Contract Risk, Regulatory Monitoring (50+ jurisdictions), and AEC (Architecture, Engineering & Construction). Available in 8 languages. Starting at $99/month. Microsoft Azure Marketplace & Google Cloud Marketplace.

Scores inbound B2B inquiries, extracts buying signals, identifies missing RFQ details, and drafts a next-step response for sales or procurement workflows.