Agent Tools
Back to A2A agents

Low-Price GPT-5.5 x402 API

GPT-5.5 x402 API Gateway · https://gpt55.558686.xyz
https://gpt55.558686.xyz/.well-known/agent-card.json
● healthy

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. Integration hub: https://gpt55.558686.xyz/integrations and https://gpt55.558686.xyz/integrations.json. 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.

Transport
Protocol
1.0.0
Price

Skills

How to call

A2A endpoint (JSONRPC)
https://gpt55.558686.xyz/v1/chat/completions
Agent card
https://gpt55.558686.xyz/.well-known/agent-card.json
Documentation
https://gpt55.558686.xyz/llms.txt
Homepage
https://gpt55.558686.xyz