| What it does | Real-time market data API for developers with REST and WebSocket access across multiple asset classes
| API for sending handwritten letters through AI agents and assistants
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| Stage | Startup
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| Founded | 2025
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| Based in | Not given
| DE
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| Pricing model | Freemium
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| Pricing | Free: 3,000 REST requests every 30 days, no WebSocket. Individual: from $49/month with 250K calls per month. Business: from $449/month with 25M calls per month. Enterprise: custom pricing.
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| Key features | - REST API with consistent endpoints and response formats
- WebSocket streaming for live market data
- Support for multiple asset classes: stocks, forex, crypto, indices, ETFs, commodities, perpetuals, and futures CFDs
- Symbol discovery endpoints for each asset class
- Historical OHLCV data
- MCP server for AI agent integration
- 150K+ instruments across aggregation layer
- 20 live stock markets
- Pay-per-call access for AI applications
| - Agent policy configuration with send limits and approval settings
- Relationship management with contact details restricted from API
- Moment tracking for birthdays and anniversaries
- Letter quote and pricing with customizable upgrades
- Real-time send tracking with multiple status states
- Address request generation with privacy protection
- Webhook event system with signature verification
- OAuth support for custom connectors like Claude
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| What makes it different | - Single unified API key and schema across all asset classes eliminates integration overhead
- Built for AI agents from day one with MCP server and connector support
- Transparent about data sourcing as derived and indicative, not exchange-sourced
- Consistent timestamps and quality validation across all data feeds
- Fast integration time from hours to minutes compared to traditional market data
| - Same API primitives used in the app itself
- Hands-on compliance with frequency limits and approval workflows
- Model Context Protocol integration for AI assistants
- Hosted MCP server with no installation required
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 36 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 8 | 0 |
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| Citation Flow (Majestic) | 31 | 0 |
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| Referring domains (Majestic) | 80 | 0 |
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TickerLayer
Maison Cartouche