# Services from ask.singitai.app on Zero

> ask.singitai.app serves 21 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/ask.singitai.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/ask.singitai.app/health.json

## Services

- [SingIt Search – Exa Answer](https://www.zero.xyz/c/singit-search-exa-answer-dfa87ca4/llms.txt): $0.0075/call via x402. Returns cited, AI-synthesized answers to web queries using Exa's answer endpoint, paid per successful request via x402 in USDC
- [SingIt Ask: DeepSeek V4 Pro Chat Completions](https://www.zero.xyz/c/singit-ask-deepseek-v4-pro-chat-completions-d1fdbe67/llms.txt): $0.0015/call via x402. Proxies chat completions to DeepSeek's V4 Pro model (optimized for coding and reasoning) via an OpenAI-compatible API, requiring no API key or account, paid per-call with USDC.
- [SingIt Ask: DeepSeek V4.1 Flash Chat Completions](https://www.zero.xyz/c/singit-ask-deepseek-v4-1-flash-chat-completions-604c4592/llms.txt): $0.0015/call via x402. Runs a chat conversation through DeepSeek V4.1 Flash via an OpenAI-compatible endpoint, with no API key required, paid per call via x402.
- [SingIt Speech - Text-to-Speech via Multiple Voice Models](https://www.zero.xyz/c/singit-speech-text-to-speech-via-multiple-voice-models-d44f4389/llms.txt): $0.001082/call via x402. Converts text to spoken audio using one of 11+ voice models (Kokoro, ElevenLabs, Gemini, xAI, MiniMax, etc.), billed per request via x402 micropayments in USDC
- [SingIt Images - AI Image Generation](https://www.zero.xyz/c/singit-images-ai-image-generation-0eb936e7/llms.txt): $0.066/call via x402. Generates images from a prompt using one of 36+ AI models (Flux, GPT Image, Recraft, Seedream, Qwen, etc.), billed per request via x402 micropayments in USDC
- [SingIt Search – Exa Contents](https://www.zero.xyz/c/singit-search-exa-contents-9ddeba7f/llms.txt): $0.0023/call via x402. Fetches web page contents and cited answers via Exa's search API, billed per request in USDC over x402 with no account required
- [SingIt Ask – OpenAI Responses API](https://www.zero.xyz/c/singit-ask-openai-responses-api-59ec209f/llms.txt): $0.0015/call via x402. Calls OpenAI's Responses API format (supporting GPT, Claude, Gemini, DeepSeek and more) with per-answer metered payment via x402, no API key required
- [SingIt Ask – Anthropic Messages API](https://www.zero.xyz/c/singit-ask-anthropic-messages-api-1c1f8c1d/llms.txt): $0.0015/call via x402. Sends a prompt to Claude or any listed model via Anthropic's Messages API, paying per successful answer in USDC over x402 with no account or API key required.
- [SingIt Search – Exa Web Search via x402](https://www.zero.xyz/c/singit-search-exa-web-search-via-x402-d0b2302b/llms.txt): $0.007/call via x402. Performs a web search using Exa's API, returning cited answers and page contents, billed per successful request in USDC via x402 on Base or Solana.
- [SingIt Ask: GLM 5.3 (Zhipu AI) Chat Completions](https://www.zero.xyz/c/singit-ask-glm-5-3-zhipu-ai-chat-completions-3e07da77/llms.txt): $0.0015/call via x402. Provides access to Zhipu AI's GLM 5.3 model for general-purpose chat and reasoning via an OpenAI-compatible endpoint, paid per call in USDC with no API key required.
- [SingIt Ask: Grok 4.7 Chat Completions](https://www.zero.xyz/c/singit-ask-grok-4-7-chat-completions-482341cb/llms.txt): $0.001536/call via x402. Provides OpenAI-compatible chat completions powered by xAI's Grok 4.7 model, with no API key required, billed per call via x402.
- [SingIt Ask: Claude Sonnet 5.5](https://www.zero.xyz/c/singit-ask-claude-sonnet-5-5-4e888760/llms.txt): $0.0015/call via x402. Provides OpenAI-compatible chat completions using Anthropic's Claude Sonnet 5.5 model, paid per call in USDC with no API key required.
- [SingIt Ask: Claude Haiku 5.5](https://www.zero.xyz/c/singit-ask-claude-haiku-5-5-e0606509/llms.txt): $0.0015/call via x402. Chat completions using Anthropic's Claude Haiku 5.5 model, accessible with no API key via per-call USDC payment over x402
- [SingIt Ask: Qwen3.8 Max Chat Completions](https://www.zero.xyz/c/singit-ask-qwen3-8-max-chat-completions-329a0cd7/llms.txt): $0.0015/call via x402. Provides OpenAI-compatible chat completions using Alibaba's Qwen3.8 Max model, optimized for coding and reasoning, with no API key required.
- [SingIt Ask: Gemini 3.1 Pro Preview Chat Completions](https://www.zero.xyz/c/singit-ask-gemini-3-1-pro-preview-chat-completions-bba47c1c/llms.txt): $0.002433/call via x402. Provides OpenAI-compatible chat completions using Google's Gemini 3.1 Pro preview model with per-call USDC micropayment, no API key required.
- [SingIt Ask – GPT-5.6 Terra (OpenAI)](https://www.zero.xyz/c/singit-ask-gpt-5-6-terra-openai-93cb248e/llms.txt): $0.0015/call via x402. Provides OpenAI GPT-5.6 Terra chat completions via a pay-per-call x402 endpoint, no API key or account required.
- [SingIt Ask: Kimi K3 (Moonshot AI) Chat Completions](https://www.zero.xyz/c/singit-ask-kimi-k3-moonshot-ai-chat-completions-b3edf6ba/llms.txt): $0.0015/call via x402. Provides OpenAI-compatible chat completions using Moonshot AI's Kimi K3 long-context reasoning model, with no API key required — pay-per-call via x402.
- [SingIt Ask: Gemini 3.8 Flash Chat Completions](https://www.zero.xyz/c/singit-ask-gemini-3-8-flash-chat-completions-735bea39/llms.txt): $0.0015/call via x402. Proxies OpenAI-compatible chat completions to Google's Gemini 3.8 Flash model with no API key required, billed per call via x402.
- [SingIt Ask](https://www.zero.xyz/c/singit-ask-c7873d9e/llms.txt): $0.0015/call via x402. Returns a single AI-generated answer using DeepSeek v4.1 Flash via an OpenAI-compatible chat completions endpoint, billed per successful response.
- [SingIt Ask – GPT-5.5 Chat Completions](https://www.zero.xyz/c/singit-ask-gpt-5-5-chat-completions-f8ef1975/llms.txt): $0.0015/call via x402. Provides OpenAI GPT-5.5 chat completions via an OpenAI-compatible API, requiring no API key or account, billed per call via x402.
- [SingIt Ask: GPT-5.6 Sol (OpenAI)](https://www.zero.xyz/c/singit-ask-gpt-5-6-sol-openai-3a98fe96/llms.txt): $0.0015/call via x402. Provides OpenAI GPT-5.6 Sol chat completions via an OpenAI-compatible API with no API key or account required, paid per-call via x402.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)