# Services from x402donghang.duckdns.org on Zero

> x402donghang.duckdns.org serves 20 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/x402donghang.duckdns.org
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402donghang.duckdns.org/health.json

## Services

- [x402donghang Crypto Radar](https://www.zero.xyz/c/x402donghang-crypto-radar-c47763e1/llms.txt): $0.02/call via x402. Searches recent X posts and the web, adds a CoinGecko market snapshot, and returns structured sentiment signals, narratives, risks, and watch items for a given crypto ticker and time window.
- [x402donghang Chinese Summarization API](https://www.zero.xyz/c/x402donghang-chinese-summarization-api-d1c3142d/llms.txt): $0.01/call via x402. Fetches a public URL or accepts raw text and returns a structured Chinese-language summary with key points and actionable suggestions, paid per-call via x402.
- [x402donghang Crypto Brief](https://www.zero.xyz/c/x402donghang-crypto-brief-1a609070/llms.txt): $0.01/call via x402. Returns a structured Chinese-language crypto market brief with bias, thesis, bullets, risks, and actions for a given symbol
- [x402donghang Grok 4.5 High Chat Completions](https://www.zero.xyz/c/x402donghang-grok-4-5-high-chat-completions-9e393265/llms.txt): $0.001/call via x402. Serves OpenAI-compatible chat completions using the Grok 4.5 High model, with streaming support, payable per-request via x402 on Base/Solana mainnet.
- [x402donghang Image Generation](https://www.zero.xyz/c/x402donghang-image-generation-0386e11b/llms.txt): $0.05/call via x402. Generates an AI image from a text prompt using the Bailian turbo model, paid per-call via USDC over x402 protocol
- [x402donghang Token Due Diligence](https://www.zero.xyz/c/x402donghang-token-due-diligence-ebb2660a/llms.txt): $0.01/call via x402. Performs automated risk analysis and due diligence on a cryptocurrency token by ticker symbol or contract address, returning a structured verdict with risk score, liquidity assessment, red/green flags, and holder concentration data.
- [x402donghang Watchlist Brief](https://www.zero.xyz/c/x402donghang-watchlist-brief-555bd41e/llms.txt): $0.05/call via x402. Generates structured per-symbol crypto trading briefs with bias, thesis, risk, and action items for a user-defined watchlist
- [x402donghang Single Brief — Crypto Trading Brief Generator](https://www.zero.xyz/c/x402donghang-single-brief-crypto-trading-brief-generator-f374e896/llms.txt): $0.005/call via x402. Generates a structured AI-powered trading brief for a given crypto ticker, including bias, thesis, risks, suggested actions, and confidence score, paid per-call via USDC.
- [x402donghang HD Image Generation](https://www.zero.xyz/c/x402donghang-hd-image-generation-ae13ac26/llms.txt): $0.12/call via x402. Generates high-definition AI images from a text prompt in various sizes, paid per-call via USDC through the x402 protocol.
- [x402donghang Qwen-3.8-Max Chat Completions](https://www.zero.xyz/c/x402donghang-qwen-3-8-max-chat-completions-8269e3b8/llms.txt): $0.012/call via x402. Provides OpenAI-compatible chat completions using the Qwen-3.8-Max model, payable per-call in USDC via x402 with no signup required.
- [x402donghang Landscape Image Generation](https://www.zero.xyz/c/x402donghang-landscape-image-generation-acc5e33b/llms.txt): $0.08/call via x402. Generates a landscape-oriented AI image from a text prompt, returning a hosted image URL, paid per-call via USDC using the x402 protocol.
- [x402donghang Crypto Intel](https://www.zero.xyz/c/x402donghang-crypto-intel-a231e0a2/llms.txt): $0.05/call via x402. Analyzes a cryptocurrency ticker over a chosen time window and returns AI-generated sentiment, funding regime, and liquidation-risk intelligence.
- [Grok 4.5 High Chat Completions via x402](https://www.zero.xyz/c/grok-4-5-high-chat-completions-via-x402-1578fb27/llms.txt): $0.01/call via x402. Provides OpenAI-compatible chat completions using the Grok 4.5 High model, billed per-call at $0.01 USDC via the x402 payment protocol.
- [DeepSeek V4 Flash Chat Completions via x402 (x402donghang)](https://www.zero.xyz/c/deepseek-v4-flash-chat-completions-via-x402-x402donghang-aafdfccb/llms.txt): $0.003/call via x402. Runs a DeepSeek V4 Flash chat completion request via an OpenAI-compatible API, billed at $0.003 USDC per call using the x402 payment protocol — no signup required.
- [x402donghang Starter Chat — GLM-5.2 via x402](https://www.zero.xyz/c/x402donghang-starter-chat-glm-5-2-via-x402-0977c842/llms.txt): $0.001/call via x402. Send a chat message to GLM-5.2 (OpenAI-compatible) and receive a completion, billed per-call in USDC via x402 with no signup required.
- [GLM-5.2 Chat Completions via x402 (x402donghang)](https://www.zero.xyz/c/glm-5-2-chat-completions-via-x402-x402donghang-36c83afc/llms.txt): $0.001/call via x402. Provides OpenAI-compatible chat completions using the GLM-5.2 language model, billed per-call at $0.008 USDC via x402 micropayment on Base or Solana.
- [x402donghang DeepSeek-V4-Pro Chat Completions](https://www.zero.xyz/c/x402donghang-deepseek-v4-pro-chat-completions-8b3081ac/llms.txt): $0.008/call via x402. Pay-per-call OpenAI-compatible chat completions endpoint powered by DeepSeek-V4-Pro, billed at $0.008 USDC per call via x402 micropayments on Base or Solana.
- [x402donghang Claude Sonnet 4.6 Chat API](https://www.zero.xyz/c/x402donghang-claude-sonnet-4-6-chat-api-23c04e41/llms.txt): $0.02/call via x402. Pay-per-call OpenAI-compatible chat completions endpoint powered by Claude Sonnet 4.6, accessible via x402 micropayment protocol at $0.02 USDC per call.
- [x402donghang Extended Video Generation](https://www.zero.xyz/c/x402donghang-extended-video-generation-8f63d94e/llms.txt): $1.99/call via x402. Generates an extended video clip from a text prompt, returning a task ID and status URL for async retrieval, paid via USDC through x402 protocol.
- [x402donghang Video Generation](https://www.zero.xyz/c/x402donghang-video-generation-77df2619/llms.txt): $0.99/call via x402. Generates a video from a text prompt, returning a task ID and status URL for async retrieval, paid via USDC over 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)
