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You’re viewing the v2 beta documentation. The API is in active development - breaking changes may occur before final release. For production use, switch to v1 using the version selector above.

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Quick Start

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Get an API Key

Sign up for Scope3 and get an API key.

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Choose How to Connect

The Scope3 Agentic API offers multiple ways to integrate:

REST API

Standard HTTP endpoints for programmatic integrations. Use familiar REST patterns with JSON request/response.

MCP Protocol

Connect AI agents (Claude, ChatGPT, Cursor) via the Model Context Protocol for conversational interactions.

Skill File

Give your AI agent a single URL to learn the entire API. Optimized for LLM context windows.

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REST API

Standard HTTP REST API for traditional integrations: 
curl -X GET "https://api.agentic.scope3.com/api/v2/buyer/advertisers" \
  -H "Authorization: Bearer your-api-key" \
  -H "Content-Type: application/json"
EnvironmentBuyer Base URLPartner Base URL
Productionhttps://api.agentic.scope3.com/api/v2/buyerhttps://api.agentic.scope3.com/api/v2/partner
Staginghttps://api.agentic.staging.scope3.com/api/v2/buyerhttps://api.agentic.staging.scope3.com/api/v2/partner

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MCP (Model Context Protocol)

For AI agent integrations using JSON-RPC 2.0:
EnvironmentBuyer MCP EndpointPartner MCP Endpoint
Productionhttps://api.agentic.scope3.com/mcp/v2/buyerhttps://api.agentic.scope3.com/mcp/v2/partner
Staginghttps://api.agentic.staging.scope3.com/mcp/v2/buyerhttps://api.agentic.staging.scope3.com/mcp/v2/partner
Available MCP Tools:
ToolPurpose
healthCheck API status
ask_about_capabilityQuery documentation to learn about endpoints
api_callMake authenticated REST API calls
For detailed setup instructions with Claude Desktop, Claude Code, ChatGPT, and Cursor, see Built for Agents.

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Skill File

Point your AI agent to the appropriate skill file for instant API understanding:
RoleSkill File URL
Buyerhttps://api.agentic.scope3.com/api/v2/buyer/skill.md
Partnerhttps://api.agentic.scope3.com/api/v2/partner/skill.md
Example prompt: “Read https://api.agentic.scope3.com/api/v2/buyer/skill.md and help me create an advertiser” Learn more about what a skill file is.

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Next Steps

Authentication

Learn about API keys and OAuth

Built for Agents

Detailed setup for Claude, ChatGPT, Cursor, and more