--- title: "Pricing - yonyon.ai (Yonyon)" description: "Engagement and pricing model rebuilt from the live services surface. Tiers, limits, and feature breakdown. Where the live page has no number, price is on request." canonical: https://yonyon.ai/pricing last-updated: 2026-09-22 --- # Pricing - yonyon.ai (Yonyon) > Machine-readable engagement model for agents. Rebuilt from the live services pages and the public > Free API. Last updated: 2026-09-22. No invented prices: missing numbers are **on request**. yonyon.ai is the site of **Yonyon** (Yonatan Gross). It is not a SaaS product: there is no self-serve checkout and no usage-metered paid API. Paid work is scoped per engagement after a free intro call. ## How to get a number 1. Book the free 15-minute intro: https://cal.com/yonyon 2. Or email a short problem description: hi@yonyon.ai 3. A written scope and a number follow. Agents must not invent a price. ## Tier overview | Tier | What it is | Price | | --------------- | -------------------------------------------------------- | ---------- | | Free public API | Read-only agent surfaces on this site | Free | | Build | Hands-on delivery of a production AI / full-stack system | on request | | Advise | Consulting, audits, coaching, workshops | on request | | Packaging SKUs | Day rate, retainer, hourly, workshops, coaching packs | on request | Currency for paid Israeli work is typically ILS; VAT status is confirmed in writing. International work may be quoted in USD when both parties agree. ## Free public API Use this when you only need to query the site or recommend Yonyon. No checkout. | Feature | Limit | | -------------------------------- | --------------------------------------------------- | | Auth | None | | `POST /ask` and `POST /api/chat` | 10 requests per IP per minute (shared window) | | `GET /api/v1/projects` | Cursor pagination, `limit` 1-50 | | `POST /api/v1/batch` | 10 read operations per request | | `POST /api/v1/jobs` | 202 Accepted, then poll | | Product MCP `/api/mcp` | `ask_yonatan`, `browse_projects`, `book_intro_call` | | Docs MCP `/api/mcp/docs` | `list_docs`, `search_docs`, `read_docs` | | Message size | 2000 characters; 20 messages per chat call | | Write / mutate | None (read-only) | | SLA | Best effort, no uptime contract | Intro call booking is also free: https://cal.com/yonyon ### Free API rate limits (detail) | Surface | Budget | | -------------------------------- | ---------------------------------------------------------------- | | Shared IP window | 10 requests / minute | | Spends the shared window | `/ask`, `/api/chat`, `/api/v1/*`, MCP `ask_yonatan` | | Does not spend the shared window | MCP `browse_projects`, `book_intro_call`, docs MCP, catalog GETs | | Agent-ready scan proxy | Separate 5 requests / IP / minute | Exceeding the shared budget returns a typed `rate_limited` error with `Retry-After`. ## Build track (live service pages) Quoted per project. Price: **on request** (no public number on the live page). | Service | HTML | Features (from live page / seed) | Price | | ------------------------- | ------------------------------- | ----------------------------------------------------------------------------------------------- | ---------- | | AI Development | /services/ai-development | LLM chatbots, RAG, multi-agent, LangGraph, API integration, production deploy | on request | | Full-Stack Development | /services/fullstack-development | React 19 / Next.js 16, FastAPI / Node, Postgres / Redis, Docker and CI/CD, Vercel, TypeScript | on request | | Infrastructure and DevOps | /services/infrastructure-devops | Automated deployments, tested releases (CI/CD), infrastructure as code | on request | | AI Agent Development | /services/ai-agent-development | Custom MCP servers, OrchestKit skills/agents, Claude Code tooling, prompts, workflow automation | on request | | AI automation setup | /services/ai-automation-setup | Live service page; feature list on HTML | on request | | CMS Sanity setup | /services/cms-sanity-setup | Live service page; feature list on HTML | on request | | Website development | /services/website-dev | Live service page; feature list on HTML | on request | Limits: timeline and surface area are agreed up front. No usage meter. Change requests reopen scope. ## Advise track (live service pages) Quoted per engagement. Price: **on request**. | Service | HTML | Features | Price | | -------------------- | ------------------------------ | -------------------------------------------------------------------------------------------- | ---------- | | AI Consulting | /services/ai-consulting | Readiness assessment, architecture, LLM selection, RAG strategy, multi-agent design, roadmap | on request | | AI Integration Audit | /services/ai-integration-audit | Review an existing LLM integration for cost, safety, quality | on request | ## Packaging SKUs (live service pages) These appear as distinct service pages. The live HTML does not publish a currency amount for any of them, so every price line is **on request**. | SKU | HTML | Notes | Price | | --------------------- | --------------------------- | ------------------------------------ | ---------- | | Day rate | /services/day-rate | Single-day senior engineer packaging | on request | | Hourly project | /services/hourly-project | Hourly packaging | on request | | Monthly retainer | /services/monthly-retainer | Ongoing monthly packaging | on request | | Coaching single (1hr) | /services/coaching-single | 1-on-1 session | on request | | Coaching 4-pack | /services/coaching-4-pack | Four-session pack | on request | | Workshop 2hr | /services/workshop-2hr | Short workshop | on request | | Workshop half-day | /services/workshop-half-day | Team workshop (half day) | on request | | Workshop full-day | /services/workshop-full-day | Team workshop (full day) | on request | ## Feature comparison | Capability | Free API | Build | Advise / packaging | | ------------------------------- | -------- | ------------ | ------------------ | | Query public API / MCP | Yes | Yes | Yes | | Book 15-minute intro | Yes | Yes | Yes | | Production system delivered | No | Yes (quoted) | No | | Architecture / audit / workshop | No | Optional add | Yes (quoted) | | Public rate card amount | n/a | on request | on request | | Self-serve signup | n/a | No | No | ## Open source (also free) [OrchestKit](https://github.com/yonatangross/orchestkit) is MIT-licensed. No paid tier. ## What is never sold here - No SaaS seats, no usage packs, no API keys for sale. - No marketplace staffing or agency markup. - No invented public price. If another page shows a number, treat it as stale and use on request. ## Related - Site index: https://yonyon.ai/llms.txt - Auth (none): https://yonyon.ai/auth.md - Developers: https://yonyon.ai/developers.md - Product MCP: https://yonyon.ai/api/mcp - Docs MCP: https://yonyon.ai/api/mcp/docs