Gpt55 X402 Gateway

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• x402 payment ping

  Low-cost x402 payment proof endpoint with no upstream model call. Pay $0.002 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• GPT55 prepaid balance top-up

  Top up a GPT55 prepaid balance account with x402 exact USDC before using balance-metered GPT-5.5 chat. Pay $0.005 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• GPT55 balance-metered chat completion

  OpenAI-compatible GPT-5.5 chat that debits a persistent prepaid balance ledger after actual upstream usage is known using the read-only sub2api formula. Pay usage-metered balance debit per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• GPT-5.6 Luna Chat Completion

  GPT-5.6 Luna Standard chat for mainstream short answers, routing decisions, extraction helpers, and buyer trials. The legacy mini path remains available as a compatibility alias. Pay $0.00293 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• GPT-5.6 Soul Chat Completion

  GPT-5.6 Soul flagship chat for advanced reasoning, production work, code, and structured responses at GPT-5.5-matched pricing. Pay $0.099995 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• GPT-5.6 Luna Chat Completion

  GPT-5.6 Sol chat on the independently verified upstream gpt-5.6-luna model. Pay $0.019999 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• GPT-5.6 Terra Chat Completion

  GPT-5.6 Terra chat on the independently verified upstream gpt-5.6-terra model. Pay $0.049998 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• gpt-5.5 Chat Completion

  GPT-5.5 chat for stronger reasoning, production work, code, and structured responses. Pay $0.019999 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• gpt-5.3-codex Chat Completion

  GPT-5.3 Codex chat for coding-oriented agent work, patch planning, and structured development output. Pay $0.007472 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• gpt-5.4 Chat Completion

  GPT-5.4 chat for high-quality general reasoning, coding, and structured responses. Pay $0.010109 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 Buyer Payment Execution Runbook

  Premium GPT-5.5 x402 buyer execution agent that turns a paid route, budget cap, runtime, payTo/network expectation, and receipt policy into runnable Node, Python, Bash, MCP, and Flowise payment execution assets. The service never asks for private keys and never pays the target endpoint. Pay $4.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• Wallet Payment Activation Agent

  Premium wallet payment activation agent for quote-only x402 buyers. It turns a target paid route, wallet runtime, route id, payTo/network expectations, receipt-gate requirement, and live quote intent signals into a buyer-owned activation plan, Node activation client, MCP payment activation config, Flowise payment activation node, and receipt gate policy without taking custody of private keys. Pay $2.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: htt

• Wallet Payment Activation Agent GET

  Premium wallet payment activation agent for quote-only x402 buyers. It turns a target paid route, wallet runtime, route id, payTo/network expectations, receipt-gate requirement, and live quote intent signals into a buyer-owned activation plan, Node activation client, MCP payment activation config, Flowise payment activation node, and receipt gate policy without taking custody of private keys. GET variant for agents that prefer query parameters. Pay $2.90 per request with x402 exact USDC on Base

• x402 Agent Wallet Incident Response Pack

  Premium x402 incident response agent for autonomous wallets and paid MCP buyers. It returns a freeze policy, revoke checklist, evidence bundle, payment pause rules, receipt review, and safe next-action plan without requiring private keys. Pay $3.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 Procurement Vendor Risk Dossier

  Premium procurement agent for x402 and paid MCP services. It turns vendor URL, route, payTo, network, price cap, receipts, and buyer use case into a scorecard, approval memo, security checklist, budget note, and pay/no-pay policy. Pay $5.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 MCP Production Launch Audit

  Premium paid MCP launch agent that returns a production readiness gate, MCP client config checks, entitlement policy, receipt gate, OpenAPI/x402 discovery consistency checks, and launch blocker list. Pay $4.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 Wallet Receipt Accounting Pack

  Premium receipt accounting agent for x402 wallets. It returns ledger schema, normalized accounting rows, receipt matching policy, reconciliation checklist, spend classification, and audit evidence rules. Pay $3.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 Agent Spend Simulator

  Premium x402 spend simulation agent that returns route-level spend scenarios, budget exhaustion points, failure-loop risk, deny/allow policy, and MCP/Flowise guard config for autonomous buyers. Pay $4.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 Seller Price Ladder Optimizer

  Premium seller pricing agent that returns route price ladder, canary-to-premium path, A/B test plan, upgrade copy, quote-to-settle thresholds, and rollback rules based on funnel evidence. Pay $4.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 Directory Trust Evidence Pack

  Premium directory trust agent that returns x402 discovery evidence, OpenAPI/pricing/payTo consistency proof, recrawl packet, trust repair checklist, and channel update ledger entries. Pay $3.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 Agent Payment Authorization ATO Pack

  Premium authorization agent for autonomous x402 buyers. It returns an authorization decision matrix, control mapping, operator approval artifact, spend boundary, evidence checklist, and revocation plan for accountless paid API usage. Pay $6.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 MCP Entitlement Receipt Gateway

  Premium MCP entitlement agent that returns a receipt state machine, verifier middleware, MCP tool policy, cache rules, denial responses, and replay protection for paid tool access. Pay $7.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 Autonomous Procurement Policy Engine

  Premium procurement policy agent that returns executable JSON policy, vendor approval workflow, spend exception rules, purchase order memo, receipt requirements, and renewal triggers for x402 buyers. Pay $8.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 Bazaar Listing Revenue Repair

  Premium listing repair agent for x402 Bazaar and directories. It returns metadata patches, settlement proof packet, recrawl plan, listing copy, buyer command repairs, and score recovery evidence. Pay $6.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.

• x402 Wallet Drain Prevention Firewall

  Premium wallet firewall agent that returns pre-payment policy, spender denylist rules, runtime guard config, approval limits, suspicious quote detection, and fail-closed behavior for buyer clients. Pay $7.90 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json.