12 Finance APIs with verified auth, pricing and rate limits. 9 offer a free tier; 8 document an MCP server. Every field carries the source URL that states it.
| API | Category | Auth | Pricing | MCP | Free | Confidence |
|---|---|---|---|---|---|---|
| Exchangerate.dev exchangerate.dev | Finance | bearer_token | freemium | ● | ● | high |
| Frankfurter frankfurter.app | Finance | none | free | ● | ● | high |
| IBANforge ibanforge.com | Finance | api_key | usage_based | ● | ● | high |
| paralelo.bo paralelo.bo | Finance | none | free | ● | ● | high |
| Edgrapi edgrapi.com | Finance | api_key | freemium | ● | ● | medium |
| Alpaca alpaca.markets | Finance | api_key | freemium | ● | ● | medium |
| Big Red Cloud API bigredcloud.com | Finance | basic | freemium | — | ● | high |
| The Plaid API plaid.com | Finance | api_key | freemium | ● | ● | medium |
| Mono mono.co | Finance | api_key | freemium | — | ● | medium |
| Moov moov.io | Finance | bearer_token | usage_based | — | — | high |
| Fire Financial Services Business API fire.com | Finance | bearer_token | contact_sales | — | — | medium |
| NOWPayments API nowpayments.io | Finance | api_key | usage_based | ● | — | medium |