Discover / agent402-arb.rosariovitale0096.workers.dev

LLM Chat Completions API

■ Challenge detected

LLM inference API: OpenAI-compatible chat completions for 100+ AI models (DeepSeek, GPT, Claude, Gemini, Grok, GLM, Qwen, Kimi, Llama, Mistral). Suited for AI agents that need on-demand text generation, coding or tool calling paid per request in USDC on Base with x402: no account, no API key. Model in body.model (GET /v1/models); streaming supported. Exact price in the 402 quote; automatic refund if the model fails.

x402
Base
USDC

Listed price: $0.0014
Challenge detected: 2 of the last 3 checks
Median response: 1393 ms
Last checked: 16 Oct, 18:49 UTC
In our index since: 14 Oct 2026

Endpoint

curl -i https://agent402-arb.rosariovitale0096.workers.dev/v1/chat/completions
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

26 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://agent402-arb.rosariovitale0096.workers.dev

POST/llm/gpt-oss-120b$0.001OpenAI GPT OSS 120B API (openai/gpt-oss-120b): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need OpenAI GPT OSS 120B on demand. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/deepseek-v4.1-flash$0.001DeepSeek V4.1 Flash API (deepseek/deepseek-v4.1-flash): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need DeepSeek V4.1 Flash on demand. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/gpt-5.5$0.0014GPT-5.5 API (openai/gpt-5.5): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need GPT-5.5 on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/glm-5.3$0.0014GLM-5.3 API (zai/glm-5.3): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need GLM-5.3 on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/grok-4.7$0.0091Grok 4.7 API (xai/grok-4.7): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Grok 4.7 on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/v1/chat/completions$0.0014LLM inference API: OpenAI-compatible chat completions for 100+ AI models (DeepSeek, GPT, Claude, Gemini, Grok, GLM, Qwen, Kimi, Llama, Mistral). Suited for AI agents that need on-demand text generation, coding or tool calling paid per request in USDC on Base with x402: no account, no API key. Model in body.model (GET /v1/models); streaming supported. Exact price in the 402 quote; automatic refund if the model fails.
POST/llm/kimi-k3$0.0014Kimi K3 API (moonshot/kimi-k3): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Kimi K3 on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/gemini-4-argon$0.001Gemini 4 Argon API (google/gemini-4-argon): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Gemini 4 Argon on demand. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/v1/chat/completions/deepseek%2Fdeepseek-chat$0.0014DeepSeek V4 Flash Chat API (deepseek/deepseek-chat): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need DeepSeek V4 Flash Chat on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/claude-opus-5$0.0014Claude Opus 5 API (anthropic/claude-opus-5): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Claude Opus 5 on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/gemini-3.6-flash$0.0014Gemini 3.6 Flash API (google/gemini-3.6-flash): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Gemini 3.6 Flash on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/llama-3.3-70b$0.001Llama 3.3 70B API (meta-llama/llama-3.3-70b): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Llama 3.3 70B on demand. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/claude-sonnet-5.5$0.0014Claude Sonnet 5.5 API (anthropic/claude-sonnet-5.5): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Claude Sonnet 5.5 on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/qwen3.8-max$0.0014Qwen3.8 Max API (qwen/qwen3.8-max): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Qwen3.8 Max on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/deepseek-chat$0.0014DeepSeek V4 Flash Chat API (deepseek/deepseek-chat): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need DeepSeek V4 Flash Chat on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/minimax-m3$0.0014MiniMax M3 API (minimax/minimax-m3): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need MiniMax M3 on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/deepseek-v4-pro$0.0014DeepSeek V4 Pro API (deepseek/deepseek-v4-pro): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need DeepSeek V4 Pro on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/mistral-large-4$0.0023Mistral Large 4 API (mistral/mistral-large-4): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Mistral Large 4 on demand. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/claude-haiku-5.5$0.001Claude Haiku 5.5 API (anthropic/claude-haiku-5.5): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Claude Haiku 5.5 on demand. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/gpt-6.1-sol$0.0014GPT-6.1 Sol API (openai/gpt-6.1-sol): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need GPT-6.1 Sol on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/gemini-3.1-pro$0.0014Gemini 3.1 Pro API (google/gemini-3.1-pro): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Gemini 3.1 Pro on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/claude-sonnet-5$0.0014Claude Sonnet 5 API (anthropic/claude-sonnet-5): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Claude Sonnet 5 on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/gpt-6-astra$0.0019GPT-6 Astra API (openai/gpt-6-astra): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need GPT-6 Astra on demand. When listed, this request cost 5% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/gemini-3.8-flash$0.0014Gemini 3.8 Flash API (google/gemini-3.8-flash): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Gemini 3.8 Flash on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.
POST/llm/claude-opus-5.5$0.0014Claude Opus 5.5 API (anthropic/claude-opus-5.5): LLM inference via OpenAI-compatible chat completions, pay per call in USDC on Base with x402. No API key, no account. Suited for AI agents and scripts that need Claude Opus 5.5 on demand. When listed, this request cost 30% less than the same request on BlockRun. Streaming and function calling supported. Exact price in the 402 quote before payment; automatic refund if the model fails to answer.

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Showing 25 of 26 listed endpoints. Next endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/agent402-arb.rosariovitale0096.workers.dev

Recent checks

14 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026

All 3 checks

When (UTC)	Result	HTTP	Response
16 Oct, 18:49 UTC	Challenge detected	402	903ms
15 Oct, 14:11 UTC	Challenge detected	402	1882ms
14 Oct, 08:45 UTC	No challenge detected	404	178ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 18:49 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for LLM Chat Completions API?

Its listed price is $0.0014.

What payment terms does LLM Chat Completions API advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is LLM Chat Completions API listed?

In x402 Bazaar. Superstables first indexed it on 14 Oct 2026.

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