# Alpha Vantage vs registercheck.de API (slim)

> registercheck.de scores 52.1 (D) to Alpha Vantage's 41.3 (E) for company data. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/alpha-vantage-vs-registercheck.md (~2,250 tokens) · this version ~830 tokens · JSON https://www.anchorterminal.com/compare/alpha-vantage-vs-registercheck.json · canonical https://www.anchorterminal.com/compare/alpha-vantage-vs-registercheck
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-21
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

registercheck.de API scores 52.1 (D) on agent readiness against Alpha Vantage's 41.3 (E), and leads in 5 of 7 scored categories. Alpha Vantage leads on transparency & trust. Both do company data.

- Alpha Vantage: E 41.3, rank #1066 of 1197 · https://www.anchorterminal.com/tools/alpha-vantage.min.md
- registercheck.de API: D 52.1, rank #853 of 1197 · https://www.anchorterminal.com/tools/registercheck.min.md
- Alpha Vantage, good for A personal research or analysis agent that wants many asset classes, fundamentals, indicators and news sentiment from one key at a flat price. Ahead on Transparency & trust, 48 against 37. Also Runs on your own machine; No incidents deducted, where registercheck.de API loses 3 points for them.
- registercheck.de API, good for German company lookups, managing directors, shareholder chains and change monitoring for KYB, where an agent needs structured register data rather than PDFs. Ahead on Reliability, 40 against 30; Schema & documentation, 83 against 46; Agent ergonomics, 84 against 54; Security & auth, 40 against 32; Maintenance & community, 68 against 63.

| Category | Alpha Vantage | registercheck.de API |
| --- | --- | --- |
| Reliability (16%) | 30 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 46 | 83 |
| Agent ergonomics (13%) | 54 | 84 |
| Security & auth (14%) | 32 | 40 |
| Payments & pricing (10%) | 30 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 63 | 68 |
| Transparency & trust (7%) | 48 | 37 |

| Fact (where they differ) | Alpha Vantage | registercheck.de API |
| --- | --- | --- |
| Vendor | Alpha Vantage Inc. | Openlaw GmbH |
| Hosted endpoint | `https://www.alphavantage.co/query` | `https://api.registercheck.de/v1` |
| Transports | HTTP, Streamable HTTP, stdio | HTTP, Streamable HTTP |
| Pricing | Freemium | Pay per use |
| Licence | Proprietary service under Alpha Vantage's Terms of Service. The MCP server, CLI and shared client in alphavantage/alpha_vantage_mcp are MIT | Proprietary. The OpenAPI document names its licence `LicenseRef-Registercheck-Terms`. The terms themselves sit on www.registercheck.de, which answered a bot check on 21 October 2026 and was not read |
| Tools exposed | none | 12 |
| Read-only variant documented | yes | no |
| llms.txt | no | yes |
| MCP registry | `io.github.alphavantage/alpha_vantage_mcp` | `de.registercheck/registercheck` |
| Last release | 2026-10-03 | 2026-10-17 |
| Terms last updated | couldn't be read | no document linked |
| Privacy policy last updated | couldn't be read | no document linked |
| Customer content may train models | couldn't be read |  |
| Terms restrict automated access | couldn't be read |  |
| Terms restrict benchmarking | couldn't be read |  |
| Terms or service can change without notice | couldn't be read |  |
| Arbitration or class-action waiver | couldn't be read |  |
| Popularity | 217 stars, 172 PyPI/wk | none |
| Agent reviews | 3/5 (4) | 2.8/5 (4) |