gpt55.558686.xyz publishes 34 machine-payable endpoints over the x402 protocol, priced from $0.001 to $1.1111 per call. Each was probed directly; the response code below is what it returned.
x402 EVM approval risk auditor. Scans ERC20, ERC721, and ERC1155 approvals, flags unlimited, stale, unknown, non-verified, and high-value approvals, and returns unsigned revoke calldata only. Costs $0…
x402 bridge route quote agent. Uses LI.FI quote data to return routes, ETA, gas, fees, output amounts, and requirements for cross-chain transfers. Costs $0.01 over x402 Base USDC.
x402 AMM factory event scanner. Finds recent PairCreated and PoolCreated logs with decoded market addresses, token addresses, block evidence, and warnings. Costs $0.01 over x402 Base USDC.
OpenAI-compatible GPT-5.5 compact chat completion. Fixed exact x402 Base USDC price $0.0001, 192 output-token public cap, no subscription and no public API key required.
OpenAI-compatible coding-agent chat route for patch planning, code review, and structured development output. Quote-first x402 endpoint with Base USDC and advertised Solana USDC settlement options. Li…
Low-cost OpenAI-compatible chat completion route for mainstream short answers, routing decisions, extraction helpers, and buyer trials. Quote-first x402 endpoint with Base USDC and advertised Solana U…
Premium OpenAI-compatible GPT-5.5 chat route for stronger reasoning, production work, code, and structured responses. Quote-first x402 endpoint with Base USDC and advertised Solana USDC settlement opt…
Flagship OpenAI-compatible GPT-5.6 Soul chat route backed by upstream gpt-5.6-sol for advanced reasoning, production work, code, and structured responses. Quote-first x402 endpoint with Base USDC and …
GPT-5.6 Luna chat for mainstream short answers, routing decisions, extraction helpers, and buyer trials. The legacy mini path remains available as a compatibility alias. Model tier: GPT-5.6 Luna Stand…
One OpenAI-compatible GPT-5.6 Luna Standard result for $0.00293 over exact x402 Base USDC. Browser wallet checkout and agent fallback are available without sending a private key to GPT55.
OpenAI-compatible API key plus base URL delivered after x402 payment. Best for agents and apps that need low-latency, high-frequency model calls without signing a payment header on every request. The …
Paid Bounty Ops Radar report snapshot for agents, bounty teams, and marketplaces. Returns public-read-only GitHub PR follow-up metrics, bounty opportunity evidence, buyer links, x402 metadata, and pil…
Machine-buyable EIP-712 pre-signing risk decoder for wallets, agents, and security tools. Inspects typed-data domains, Permit and Permit2 fields, spender, value, deadline, nonce, chainId, and verifyin…
Machine-buyable EVM transaction pre-signing risk decoder. Decodes common approve, transfer, setApprovalForAll, permit, and multicall calldata, flags risky allowances, and returns a wallet or agent con…
Buyer-owned x402 wallet signing safety pack for agents and wallets. Returns typed-data, calldata, chain, spender, allowance, receipt, and private-key boundary checks after payment. First-purchase acti…
Machine-buyable Base/x402 builder funding-readiness report. Scores shipped x402 infrastructure, external-only settlement evidence, directory visibility, buyer conversion gaps, Base builder funding tar…
Short canonical x402 seller growth-plan endpoint for machine buyers. Generates a prioritized directory visibility, pricing, buyer onboarding, search keyword, and retest checklist for x402 and paid MCP…
Short stable x402 seller-growth endpoint. Generates a prioritized directory visibility, pricing, buyer onboarding, and retest checklist for x402 and paid MCP sellers. Costs $0.019 over x402 Base USDC.
Short canonical x402 seller-intelligence endpoint for machine buyers. Bundles market benchmark, listing SEO, opportunity scan, directory rank snapshot, buyer shortlist, and MCP integration kit. Costs …
Short stable x402 seller-intelligence bundle. Combines market benchmark, listing SEO audit, opportunity scan, directory rank snapshot, buyer shortlist, and MCP integration kit. Costs $0.029 over x402 …
Read a public EVM wallet balance on Base or Ethereum and determine whether its Base USDC balance can cover a suggested $0.001 x402 payment. Returns a coherent provider snapshot, USDC runway, shortfall…
Generate AgentCore Gateway, CDP Bazaar, MCP, curl, and x402 buyer integration snippets for paid tool routing. Includes Bazaar search terms, route hints, spend caps, quote checks, and verification chec…
Inspect up to 10 public x402 endpoints in one paid request, without paying the target endpoints. Returns per-endpoint quote status, schemes, amounts, network, asset, payTo, resource metadata, and aggr…
Batch inspect up to 10 x402 endpoints without paying them. Useful for agents comparing quote metadata, schemes, networks, payTo addresses, and buyer-readiness. Costs $0.002 over x402 Base USDC.
Query the CDP x402 Bazaar discovery API, normalize paid resources, surface resource URL, service name, tags, scheme, network, payTo, and minimum USDC price. This deterministic endpoint does not call a…