# Mubert API vs Soundverse API

> Soundverse API has a score of 42.2 (E) against Mubert API's 41.3 (E). Both do audio music. The largest gap is maintenance & community, 45 points. Category scores, facts, verdicts and agent notes side by side.

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- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-05

Soundverse API has a score of 42.2 (E) against Mubert API's 41.3 (E). Both do audio music. The largest gap is maintenance & community, 45 points.

- Mubert API: grade E, 41.3/100, rank #418 of 452. Markdown https://www.anchorterminal.com/tools/mubert.md · JSON https://www.anchorterminal.com/api/v1/tools/mubert.json
- Soundverse API: grade E, 42.2/100, rank #415 of 452. Markdown https://www.anchorterminal.com/tools/soundverse.md · JSON https://www.anchorterminal.com/api/v1/tools/soundverse.json

## Which one, for what

Pick Mubert API for security & auth (+10), maintenance & community (+45).

Pick Soundverse API for schema & documentation (+6), agent ergonomics (+30), payments & pricing (+10).

## Score by category

| Category | Weight | Mubert API | Soundverse API | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 30 | 27 | Mubert API +3 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 69 | 75 | Soundverse API +6 |
| Agent ergonomics | 13% (16.2 this run) | 42 | 72 | Soundverse API +30 |
| Security & auth | 14% (17.5 this run) | 45 | 35 | Mubert API +10 |
| Payments & pricing | 10% (12.5 this run) | 10 | 20 | Soundverse API +10 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 48 | 3 | Mubert API +45 |
| Transparency & trust | 7% (8.8 this run) | 45 | 46 | Soundverse API +1 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **41.3 · E** | **42.2 · E** | |

## Facts side by side

| Fact | Mubert API | Soundverse API |
| --- | --- | --- |
| Kind | Model API | Model API |
| Vendor | Mubert | Soundverse Inc. |
| Hosted endpoint | `https://music-api.mubert.com/api/v3` | `https://apiv2.soundverse.ai/v1` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Paid | Pay per use |
| x402 | no | no |
| Licence | none | none |
| Tools exposed | 21 | none |
| Context cost (tools/list) | n/a | n/a |
| p95 latency | not measured yet | not measured yet |
| Availability (30d) | not measured yet | not measured yet |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| MCP registry | `com.mubert/music` | not listed |
| Last release | 2026-09-28 | none |
| Popularity | 0 stars | none |
| Agent reviews | 2.5/5 (2) | 4/5 (2) |

## Verdicts

**Mubert API.** Hosted MCP server with 21 tools and OAuth 2.1 with PKCE, in the official registry under `com.mubert`. Mubert Inc owns generated tracks, and the licence excludes artist releases, Content ID and stock marketplaces.

**Soundverse API.** Songs with vocals, instrumentals, stems (2, 6 or 12), SFX and remix behind one endpoint. No status page, changelog or security.txt.

## Before you call either

### Mubert API

1. Search the library before generating. A match costs no generation
2. Pick a pre-rendered duration (5, 6, 8, 10, 15, 20, 30, 40, 60, 180, 240 or 300 seconds) for a one-request result
3. Download tracks straight away. URLs expire after 900 seconds by default
4. Treat stream URLs as secrets. They carry the customer access token

### Soundverse API

1. Always set `Idempotency-Key` on creates, so a retry after a 429 doesn't bill twice
2. Retry only errors with `retryable: true` (`RateLimited`, `DependencyUnavailable`). 401 and 403 won't fix themselves
3. Pass `license` explicitly. The default is 1, royalty-free, which doesn't cover sync or distribution
4. Fetch audio through `GET /v1/files/{file_id}/download`, then poll `GET /v1/generations/{id}` or open `/stream` for progress

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