AI API

Buffer API

Automate social media posting and integrate with your favorite tools using Buffer's GraphQL API.

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Buffer API

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What is Buffer API?

Buffer API is a GraphQL interface that lets developers connect their own tools and workflows to Buffer's social media publishing platform.

Buffer API vs Similar AI Tools

Pricing ModelFree, FreemiumFree, PaidFreeFree, Freemium
Free Credits
Key Features
  • GraphQL API for posts, ideas, channels, and analytics
  • MCP server for native connections to Claude, ChatGPT, Cursor, Raycast, and Perplexity
  • AI-powered developer support in the docs
  • Unified API gateway for 500+ models with fallback and load balancing
  • Real-time tracing and observability for every LLM call
  • Evaluation workflows combining code checks, LLM judges, and human review
  • OpenAI-compatible proxy endpoint
  • Local Admin UI served from the same container
  • Per-user token quota enforcement with X-App-User-Id
  • Visual and Agent Builder modes
  • Support for REST and GraphQL APIs
  • Multiple authentication methods (No Auth, API Key, Bearer, Basic, OAuth)
Pros
  • Easy to set up with clear documentation
  • Official API partner with major social platforms
  • Unified API simplifies integration with multiple LLM providers
  • Comprehensive observability with tracing and monitoring
  • Self-hosted with full data privacy
  • Easy Docker setup with compose.yaml
  • Quickly convert existing APIs to MCP without writing code
  • Supports complex authentication flows including OAuth
Cons
  • Rate limits vary by plan and can be restrictive on free tier
  • Advanced features require upgrading to paid plans
  • Can introduce additional latency compared to direct provider calls
  • Pricing may become expensive at high scale
  • Limited to 5 active managed users
  • No automatic updates
  • Free tier may have usage limits
  • Dependent on API to MCP infrastructure
Best For
  • Developers building custom social media automations
  • Marketing teams integrating Buffer with existing workflows
  • Developers building LLM-powered applications
  • Teams scaling AI agents with observability needs
  • Teams wanting to control LLM token usage
  • Developers integrating AI APIs with quota management
  • Developers integrating APIs with AI agents
  • Teams building enterprise MCP tools

How to use Buffer API?

  1. 1Generate an API key in your Buffer account settings.
  2. 2Authenticate by sending the key as a Bearer token in the Authorization header.
  3. 3Send your first query using any GraphQL client to https://api.buffer.com.
  4. 4Automate and scale by scheduling content, capturing ideas, and building custom integrations.

Buffer API Key Features

  • GraphQL API for posts, ideas, channels, and analytics
  • MCP server for native connections to Claude, ChatGPT, Cursor, Raycast, and Perplexity
  • AI-powered developer support in the docs
  • No-code automations with pre-built templates for Zapier, n8n, and Make
  • Interactive API explorer for testing queries in real time

Buffer API Use Cases

  • Auto-create posts from your CMS or internal tools
  • Pull scheduled content into your own dashboards
  • Sync channel and organization details into reporting systems
  • Use AI assistants to brainstorm and schedule posts

Buffer API Pricing & Free Credits

Buffer API currently operates on a Free, Freemium model.

Free Tier

Free

$0

1 API key, 1 app client, 100 requests per 15 minutes, 100 per day, 3,000 per month

Paid Plans

Essentials

Contact for Pricing

3 API keys, 3 app clients, 100 requests per 15 minutes, 250 per day, 7,500 per month

Team

Contact for Pricing

5 API keys, 5 app clients, 100 requests per 15 minutes, 500 per day, 15,000 per month

Free

$0

1 API key, 1 app client, 100 requests per 15 minutes, 100 per day, 3,000 per month

Essentials

Contact for Pricing

3 API keys, 3 app clients, 100 requests per 15 minutes, 250 per day, 7,500 per month

Team

Contact for Pricing

5 API keys, 5 app clients, 100 requests per 15 minutes, 500 per day, 15,000 per month

Buffer API Pros & Cons

Pros

  • Easy to set up with clear documentation
  • Official API partner with major social platforms
  • Supports GraphQL for efficient data queries
  • No-code options available for quick automation

Cons

  • Rate limits vary by plan and can be restrictive on free tier
  • Advanced features require upgrading to paid plans
  • Limited to Buffer's existing feature set

What is Buffer API best for?

  • Developers building custom social media automations
  • Marketing teams integrating Buffer with existing workflows
  • Content creators wanting to streamline multi-platform posting via API

Buffer API FAQ

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