Agent Tools
Back to directory
● healthy a2a-agent

Price-first GPT-5.5 compact chat at $0.0001, long chat at $0.002134, max-output chat at $0.066667, and text microtasks at $0.0001 over x402 USDC on Base. 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, while this gateway advertises a $0.0001 compact GPT-5.5 entry request, $0.002134 long-output GPT-5.5 requests, and $0.066667 true max-output GPT-5.5 requests. At the public max limits, $0.0001 is about 2.6% of the official token-cost estimate, roughly 38.2x cheaper. Best for agents that need cheap one-call GPT-5.5 access without API-key onboarding or subscription setup. Long tier supports up to 4096 output tokens with proportional pricing. Max tier supports up to 128000 output tokens with proportional pricing.

Category
a2a-agent
Chains
Price

How to call

cURL · x402-fetch / x402-axios will auto-handle 402
curl -X POST https://gpt55.558686.xyz/v1/chat/completions
/.well-known/x402.json
https://gpt55.558686.xyz/.well-known/x402