# Kamera-ichi Pricing & Developer Access

Kamera-ichi is Taiwan's premier zero-fee C2C used photography equipment marketplace, offering transparent pricing, free public data, and open developer interfaces.

## Core Pricing Structure

| Feature / Service | Fee | Pricing Model | Limits |
|---|---|---|---|
| **Buyer Browsing & Search** | NT$ 0 (Free) | No signup required | Unlimited public search |
| **Seller Listing (Sell)** | NT$ 0 (Free) | 0% listing fee | Up to 50 active listings |
| **Buyer Wanted Post (Seek)** | NT$ 0 (Free) | 0% listing fee | Up to 10 active posts |
| **Transaction Fee** | NT$ 0 (0%) | 0% commission | Seller receives 100% of payment |
| **Direct In-App Messaging** | NT$ 0 (Free) | Included for all registered users | Unlimited messages |
| **Market Price Trends Analytics** | NT$ 0 (Free) | Open data public access | Full historical benchmarks |
| **Verification & Trust Badge** | NT$ 0 (Free) | SMS / Passkey / Email verification | 1 per account |

## Plan Tiers & Entitlements

### 1. Community Plan (Default Public & Registered Users)
- **Cost**: NT$ 0 / month (Forever Free)
- **Target Audience**: Photographers, hobbyists, buyers, and casual sellers in Taiwan.
- **Included Features**:
  - Search and filter camera bodies, lenses, film cameras, and studio accessories across all Taiwan cities.
  - Post used gear for sale with up to 10 high-resolution photos with automatic WebP conversion and watermark protection.
  - Post buyer wanted (seek) inquiries to request specific camera models from sellers.
  - In-app direct messaging with real-time price offers and meetup location suggestions.
  - Price drop alert notifications on favorited items.
  - Access to buying guides, shutter count testing methods, and meetup safety checklists.

### 2. Verified Trader Tier
- **Cost**: NT$ 0 / month (Free upon identity/phone verification)
- **Target Audience**: Active photography equipment collectors and frequent traders.
- **Included Features**:
  - Verified badge displayed next to nickname in all search results and product listings.
  - Higher listing retention period.
  - Priority placement in category explore pages.
  - Mutual buyer-seller review ratings and public trust metrics.

### 3. Developer & AI Agent Tier
- **Cost**: NT$ 0 / month (Free under fair use)
- **Target Audience**: Autonomous AI agents, LLM tool-calling integrations, search crawlers, and independent developers.
- **Included Features**:
  - OpenAPI 3.1.0 specification at /openapi.json and /openapi.yaml.
  - Public read-only Model Context Protocol (MCP) Streamable HTTP Server at https://kamera-ichi.com/api/mcp.
  - Markdown Content Negotiation twin for all public pages via Accept: text/markdown or .md URLs.
  - llms.txt and llms-full.txt machine-readable context navigation indexes.
  - RFC 9727 API Catalog at /.well-known/api-catalog.
  - Agent Skills index at /.well-known/agent-skills/index.json.

### 4. Partner & Platform Tier
- **Cost**: Custom agreement / Contact support
- **Target Audience**: Camera repair centers, photo studios, retail stores, and commercial gear rental fleets.
- **Included Features**:
  - Dedicated bulk inventory synchronization API.
  - Custom webhook integration for inventory state changes.
  - Higher rate limits and SLA support.

## Developer Rate Limits & Quotas

- Use public read-only endpoints without credentials; member operations require a Bearer token.
- Reduce request frequency on HTTP 429 and respect Retry-After when supplied. No fixed request quota or burst allowance is guaranteed here.

## Machine-Readable Manifests & Integration URLs

- **OpenAPI 3.1 Spec (JSON)**: [https://kamera-ichi.com/openapi.json](https://kamera-ichi.com/openapi.json)
- **OpenAPI 3.1 Spec (YAML)**: [https://kamera-ichi.com/openapi.yaml](https://kamera-ichi.com/openapi.yaml)
- **MCP Streamable HTTP Server**: [https://kamera-ichi.com/api/mcp](https://kamera-ichi.com/api/mcp)
- **MCP Server Card**: [https://kamera-ichi.com/.well-known/mcp/server-card.json](https://kamera-ichi.com/.well-known/mcp/server-card.json)
- **MCP Manifest**: [https://kamera-ichi.com/.well-known/mcp/manifest.json](https://kamera-ichi.com/.well-known/mcp/manifest.json)
- **API Catalog (RFC 9727)**: [https://kamera-ichi.com/.well-known/api-catalog](https://kamera-ichi.com/.well-known/api-catalog)
- **Agent Skills**: [https://kamera-ichi.com/.well-known/agent-skills/index.json](https://kamera-ichi.com/.well-known/agent-skills/index.json)
- **Project-specific agent discovery (not an A2A AgentCard)**: [https://kamera-ichi.com/.well-known/agent-card.json](https://kamera-ichi.com/.well-known/agent-card.json)
- **Authentication Guide**: [https://kamera-ichi.com/auth.md](https://kamera-ichi.com/auth.md)
- **LLMs Navigation Index**: [https://kamera-ichi.com/llms.txt](https://kamera-ichi.com/llms.txt)

## Frequently Asked Questions (FAQ)

### Q: Why is Kamera-ichi free to use?
A: Kamera-ichi operates on a community-first C2C model. Our goal is to make second-hand photography gear trading transparent, safe, and easily accessible across Taiwan. We do not charge listing fees or take a percentage of transactions.

### Q: Are there hidden fees for buyers or sellers?
A: No. Sellers set their asking price and receive 100% of the payment directly from the buyer during face-to-face meetup or agreed payment arrangements.

### Q: Can automated AI agents query market price data?
A: Yes. All public search and price trend endpoints are freely queryable by AI agents, chatbots, and crawlers via REST API, Markdown twins, and Model Context Protocol (MCP).