6 Data & Enrichment APIs with verified auth, pricing and rate limits. 6 offer a free tier; 5 document an MCP server. Every field carries the source URL that states it.
| API | Category | Auth | Pricing | MCP | Free | Confidence |
|---|---|---|---|---|---|---|
| InfraNode infranode.dev | Data & Enrichment | none | free | ● | ● | high |
| AcreLens acrelens.com | Data & Enrichment | bearer_token | freemium | ● | ● | high |
| Enigma enigma.com | Data & Enrichment | api_key | usage_based | ● | ● | high |
| OpenSanctions opensanctions.org | Data & Enrichment | api_key | usage_based | ● | ● | low |
| Microlink.io microlink.io | Data & Enrichment | api_key | freemium | ● | ● | medium |
| Pan Africa Data panafricadata.com | Data & Enrichment | api_key | freemium | — | ● | medium |