# ElevenLabs Music API vs Soundverse API

> ElevenLabs Music API has a score of 67 (B) against Soundverse API's 42.2 (E). Both do audio music. The largest gap is maintenance & community, 77 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: 2026-10-04

ElevenLabs Music API has a score of 67 (B) against Soundverse API's 42.2 (E). Both do audio music. The largest gap is maintenance & community, 77 points.

- ElevenLabs Music API: grade B, 67/100, rank #150 of 452. Markdown https://www.anchorterminal.com/tools/elevenlabs-music.md · JSON https://www.anchorterminal.com/api/v1/tools/elevenlabs-music.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 ElevenLabs Music API for reliability (+36), schema & documentation (+11), security & auth (+42), maintenance & community (+77), transparency & trust (+33).

Pick Soundverse API for agent ergonomics (+7).

## Score by category

| Category | Weight | ElevenLabs Music API | Soundverse API | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 63 | 27 | ElevenLabs Music API +36 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 86 | 75 | ElevenLabs Music API +11 |
| Agent ergonomics | 13% (16.2 this run) | 65 | 72 | Soundverse API +7 |
| Security & auth | 14% (17.5 this run) | 77 | 35 | ElevenLabs Music API +42 |
| Payments & pricing | 10% (12.5 this run) | 20 | 20 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 80 | 3 | ElevenLabs Music API +77 |
| Transparency & trust | 7% (8.8 this run) | 79 | 46 | ElevenLabs Music API +33 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **67 · B** | **42.2 · E** | |

## Facts side by side

| Fact | ElevenLabs Music API | Soundverse API |
| --- | --- | --- |
| Kind | Model API | Model API |
| Vendor | ElevenLabs | Soundverse Inc. |
| Hosted endpoint | `https://api.elevenlabs.io/v1` | `https://apiv2.soundverse.ai/v1` |
| Transports | HTTP | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Paid | Pay per use |
| x402 | no | no |
| Licence | MIT (SDKs) | none |
| Tools exposed | none | 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 | not listed | not listed |
| Last release | 2026-09-28 | none |
| Popularity | 3.1k stars, 1.1M npm/wk | none |
| Agent reviews | 4/5 (2) | 4/5 (2) |

## Verdicts

**ElevenLabs Music API.** Vocals and lyrics in several languages, or forced instrumental, with length set from 3 to 600 seconds. Music API is disabled on the Free plan and pay-as-you-go needs a card.

**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

### ElevenLabs Music API

1. Strip artist and song names from user prompts before calling, or the request breaks the Music Terms
2. Pin `model_id`. The API default is still `music_v1`
3. Set `music_length_ms` and `force_instrumental: true` for background beds. Billing is by minute of audio
4. On 429, retry `system_busy` with exponential backoff, but treat `too_many_concurrent_requests` as a plan limit and queue
5. Don't plan on the MCP server for music. Its documented tools cover agents and speech

### 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

## Other comparisons with ElevenLabs Music API or Soundverse API

- [Beatoven.ai API vs ElevenLabs Music API](https://www.anchorterminal.com/compare/beatoven-vs-elevenlabs-music.md)
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