Paid GPT-5.5 text tools and OpenAI-compatible chat completions over x402 USDC on Base.
Price
from $0.0010
up to $0.0040 per request
Network
base
Category
ai
On-chain txns
42
Uptime
100%
Avg latency
536ms
Checks
29
Status
Healthy
Discovered from on-chain x402 payment activity. Prices shown are per-call in USDC.
Low-cost OpenAI-compatible GPT-5.5 chat completion for AI agents, apps, and scripts. Pay up to $0.004 per request with x402 USDC on Base. Exact fixed-price and upto usage-based payment are both accepted when clients support them. Public paid calls are limited to 1500 input characters and 128 output tokens for predictable cost.
Answer a short question, optionally using provided context, for lightweight context QA and agent reasoning steps. Pay up to $0.003 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Review a short code snippet or diff for bugs, edge cases, security issues, maintainability, and missing tests. Designed for agents and developers that need a quick second pass before merging. Pay up to $0.003 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Extract structured JSON from short text according to a caller-provided schema or field list. Useful for agents that need cheap parsing, lead cleanup, invoice notes, support tickets, and lightweight ETL steps. Pay up to $0.003 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Fetch a public HTTP(S) URL and return status, final URL, headers summary, and redirect chain. This deterministic endpoint does not call an upstream model. Pay up to $0.001 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Validate JSON text or normalize a JSON value, returning parse status, type, size, and optional formatted output. This deterministic endpoint does not call an upstream model. Pay up to $0.001 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Rewrite short text for clarity, tone, grammar, style, professional messages, and concise agent output. Pay up to $0.003 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Summarize short text into concise bullets, TLDR notes, or a paragraph for agents that need quick document digestion. Pay up to $0.003 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Translate short text to a requested target language for agent workflows, localization, and quick bilingual replies. Pay up to $0.003 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Fetch a public HTTP(S) URL and return normalized links, anchor text, status, title, and redirect details. This deterministic endpoint does not call an upstream model. Pay up to $0.002 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Fetch a public HTTP(S) URL and return status, final URL, title, meta description, canonical URL, Open Graph fields, and a short text sample. This deterministic endpoint does not call an upstream model. Pay up to $0.002 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Fetch a public HTTP(S) URL and return cleaned readable text, title, final URL, status, and redirect details. This deterministic endpoint does not call an upstream model. Pay up to $0.002 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.
Paid x402 capability check for this GPT-5.5 gateway. This endpoint settles a small x402 payment and returns service metadata without calling the upstream model.
Paid x402 capability check for this GPT-5.5 gateway. This endpoint settles a small x402 payment and returns service metadata without calling the upstream model.
# one-time setup
npx @apihubio/cli register
npx @apihubio/cli topup 10
# call it
npx @apihubio/cli call https://gpt55.558686.xyz \
-X POST \
-d '{ /* check provider docs for input */ }'
# or save it to Claude/Cursor/Codex
npx @apihubio/cli install
npx @apihubio/cli add https://gpt55.558686.xyzimport { wrapFetchWithPayment } from "@x402/fetch";
import { createWalletClient, http } from "viem";
import { privateKeyToAccount } from "viem/accounts";
import { base } from "viem/chains";
const account = privateKeyToAccount("0xYOUR_PRIVATE_KEY");
const client = createWalletClient({ account, chain: base, transport: http() });
const x402Fetch = wrapFetchWithPayment(client);
const res = await x402Fetch("https://gpt55.558686.xyz", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ /* check provider docs for input */ }),
});
const data = await res.json();This is an external service not operated by APIHub. Listing data is sourced from public on-chain records and third-party indexes. Payment goes directly to the service provider via the x402 protocol. APIHub does not guarantee availability, accuracy, or quality of external services.