Buffer API
bufferapp.com
A GraphQL API that lets developers connect tools, agents, and automations to a Buffer account to create posts, schedule content, manage ideas, and retrieve channels and organizations.
The Buffer API API uses bearer token authentication; has freemium pricing; offers a free tier (Free plan includes API access: 1 API key, 1 app client, 3,000 requests/month); rate limits: Per API key: 15-min limit 100 requests (all plans); 24-hr limit 100 (Free)/250 (Essentials)/500 (Team); 30-day limit 3,000 (Free)/7,500 (Essentials)/15,000 (Team). Verified 2026-07-12 with per-field source links.
Pricing
API access included on all plans (Free, Essentials $5/channel/mo, Team $10/channel/mo); higher plans grant more API keys and higher request limits
buffer.com ↗Rate limits
Per API key: 15-min limit 100 requests (all plans); 24-hr limit 100 (Free)/250 (Essentials)/500 (Team); 30-day limit 3,000 (Free)/7,500 (Essentials)/15,000 (Team)
buffer.com ↗OpenAPI spec
not documented null
no sourceMCP server
MCP server available with native connections for Claude, Cursor, Raycast, ChatGPT, and Perplexity
buffer.com ↗