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.

Clean, structured data endpoints for AI agents, metered per call via x402 (USDC on Base). Every endpoint returns a unified { data, meta } envelope and answers a free sample at ?sample=1.

MCP server for the Hive DePIN provider marketplace. Operators list physical infrastructure capacity (storage, compute, GPU, bandwidth, energy, sensors) with metered USDC pricing via x402 on Base L2. New agents: first call free. Loyalty: every 6th paid call is free. Pay in USDC on Base L2.

Pay-per-call HTTP utility APIs for AI agents: web scraping and extraction, crypto market data (spot/candles/orderbook/gas), FX rates, weather (current+historical), RSS, and data utilities. Paid via x402 USDC micropayments on Base — no signup, no API keys.

Metered access to the Melvea variety catalog (proprietary flavor/provenance index). Each variety is filterable by color grade (USDA Pfund band: Water White through Dark Amber, with pfund value + measured/estimated source), texture (liquid / creamy / thick / thixotropic), intensity (whisper / mellow / bold), flavor profile (sweet / balanced / complex), origin regions and primary/secondary countries, use cases and best-for pairing tags, and a per-variety citation_count into the research-provenance endpoint. A separate local producer directory (/v1/producers) filters ~550 beekeepers by country, state, proximity, or honey type. No Amazon content, no prices, no affiliate links.

Stripe for AI memory — cryptographically verified, temporally valid, governed assertions with Proof Meter cost tracking and real-time delta sync. Zero-hop existence checks (0.01ms), sub-millisecond recall. Any agent, model, workflow, or human can write, read, and meter spend from a shared, trusted memory store. Works with Claude Code, Cursor, Windsurf, VS Code, and every MCP client. Shared verified memory across all your coding tools.

Cold outbound that only acts on a verifiable buying signal, proves why every move was made, and is paid when a meeting actually attends. Call FlowVolt when your goal is: book a qualified meeting.

A2A peer for EU legal research over the conformi.eu corpus (EU secondary law, consolidated texts, soft law) with verifiable CELEX/EUR-Lex citations in DE/EN/FR. Research tool — not legal advice, no attorney-client relationship.

MCP server for Hive Agent Storage — agent-native object storage with per-agent DID isolation and x402 pay-per-byte metering. Routes to Storj, Filecoin, and Arweave under the hood. Real Base USDC settlement. New agents: first call free. Loyalty: every 6th paid call is free. Pay in USDC on Base L2.

Rust-native multi-agent execution platform. Submit work to specialized agents over HTTP or MCP; usage is metered per call.

USDC payment agent for AI systems on Base