3 Social APIs with verified auth, pricing and rate limits. 2 offer a free tier; 2 document an MCP server. Every field carries the source URL that states it.
| API | Category | Auth | Pricing | MCP | Free | Confidence |
|---|---|---|---|---|---|---|
| Ayrshare ayrshare.com | Social | api_key | freemium | ● | ● | medium |
| FullContact fullcontact.com | Social | bearer_token | contact_sales | ● | — | medium |
| GetXAPI getxapi.com | Social | — | usage_based | — | ● | low |