{ "data": { "a": { "slug": "loudly", "name": "Loudly Music API", "vendor": "Loudly GmbH", "vendorUrl": "https://www.loudly.com", "kind": "model", "category": "music-generation", "summary": "Loudly's API for generating music for business applications.", "url": "https://www.anchorterminal.com/tools/loudly", "markdownUrl": "https://www.anchorterminal.com/tools/loudly.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/loudly.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/loudly.json", "transports": [ "http" ], "remoteUrl": "https://soundtracks.loudly.com/api", "packages": [], "auth": "api-key", "authNotes": "Key from the developer portal at loudly.com/developers, sent in an `API-KEY` header. A wrong key returns 401 `Unknown API-KEY`.", "pricing": "usage", "pricingNotes": "Billed per track generation. Pay-as-you-go credits never expire (the per-track PAYG price is shown only after sign-in). The monthly subscription starts at 500 tracks at $0.15 a track and falls to $0.071 a track at 50,000 tracks a month. A free allowance comes with a new key and `test=true` calls return a dummy song without spending credits (https://www.loudly.com/developers/pricing).", "priceSummary": "$0.15 / credit", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 in the API docs or pricing (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://www.loudly.com/developers", "llmsTxt": "https://www.loudly.com/llms.txt", "openapi": "https://b2b-soundtracks-swagger-prd.loudly.com/swagger/b2b_swagger.yaml", "capabilities": [ "audio.music", "audio.stems", "audio.vocals" ], "tags": [ "hosted", "closed-source", "commercial-licence", "openapi", "llms-txt", "free-tier" ], "graded": true, "anchor": { "graded": true, "score": 38.5, "grade": "E", "agentReady": false, "rank": 429, "ranked": true, "rankOf": 452, "categoryRank": 8, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 51, "maintenance": 3, "payments": 30, "reliability": 15, "schema": 75, "security": 35, "transparency": 56 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Public OpenAPI 3.0 spec with error schemas for 400, 402, 403, 404 and 500. No status page, changelog, rate limits or 429 guidance.", "strengths": [ "Public OpenAPI 3.0 spec with error schemas for 400, 402, 403, 404 and 500", "Free track allowance on a new key, and `test=true` returns a dummy song at no cost", "Stems, remix and mastering in the same API, with tracks from 30 to 420 seconds", "Royalty-free, perpetual, worldwide licence for output" ], "weaknesses": [ "No status page, changelog, rate limits or 429 guidance", "One unscoped key per account, and no security.txt or disclosure policy", "Vocals and 12-stem splits need Loudly to switch on account flags", "No official SDK, and requests are multipart form data" ], "agentNotes": [ "Send `test=true` while wiring up. It returns a dummy song and spends no credits", "Call `GET /api/ai/genres` first. Genre, BPM range and instrument names must match that list", "Treat 402 as out of credits and stop, not retry", "A 403 on Manta routes means the account flag is off, not a bad key" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "E", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 38.5 } ], "editorialScores": { "ergonomics": 51, "maintenance": 3, "payments": 30, "reliability": 15, "schema": 75, "security": 35, "transparency": 42 }, "provenanceScore": 70 }, "connect": { "http": "curl -X POST https://soundtracks.loudly.com/api/ai/prompt/songs -H \"API-KEY: $LOUDLY_API_KEY\" \\\n -F prompt=\"energetic house track with a flute melody\" -F duration=60 -F test=true" }, "letme": { "capability": "https://letme.dev/audio.music", "tool": "https://letme.dev/loudly" }, "area": "content", "unitPrices": [ { "item": "Subscription, 500 tracks a month", "unit": "credit", "usd": 0.15, "note": "one credit is one track generation" }, { "item": "Subscription, 50,000 tracks a month", "unit": "credit", "usd": 0.071, "note": "lowest published volume tier" }, { "item": "Subscription entry tier", "unit": "month", "usd": 75, "note": "500 tracks at $0.15" } ], "provenance": { "legalEntity": "Loudly GmbH", "domain": "loudly.com", "domainRegistered": "1998-04-17", "domainNote": "loudly.com was registered in 1998, long before Loudly GmbH existed, so the domain was acquired later.", "endpointOnVendorDomain": true, "terms": "https://www.loudly.com/terms-and-conditions", "privacy": "https://www.iubenda.com/privacy-policy/94072064/full-legal", "statusPage": "", "changelog": "", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "Imprint names Loudly GmbH, Berlin, Germany (https://www.loudly.com/imprint)" ], "score": 70 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/loudly.json", "live": { "slug": "loudly", "probe": { "target": "https://soundtracks.loudly.com/api", "method": "get", "lastAt": "2026-10-05T00:57:23.205495643Z", "lastOk": true, "lastStatus": 401, "lastMs": 350, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 352, "p95ms24h": 488, "samples24h": 272, "samples30d": 1113, "days": [ { "date": "2026-09-30", "probes": 35, "ok": 35 }, { "date": "2026-10-01", "probes": 276, "ok": 276 }, { "date": "2026-10-02", "probes": 248, "ok": 248 }, { "date": "2026-10-03", "probes": 271, "ok": 271 }, { "date": "2026-10-04", "probes": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 11, "ok": 11 } ] }, "securityTxt": { "url": "https://loudly.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:16:02.19872291Z" }, "llmsTxt": { "url": "https://www.loudly.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:57.644169519Z" }, "domain": { "domain": "loudly.com", "registered": "1998-04-17", "source": "https://rdap.verisign.com/com/v1/domain/loudly.com", "checkedAt": "2026-10-04T13:04:11.291763848Z" }, "pages": [ { "url": "https://www.loudly.com/developers/pricing", "kind": "pricing", "status": 304, "checkedAt": "2026-10-04T15:51:07.070654228Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "e3b0c44298fc" }, { "url": "https://www.iubenda.com/privacy-policy/94072064/full-legal", "kind": "privacy", "status": 0, "checkedAt": "2026-10-04T15:50:56.91143201Z", "changedAt": "0001-01-01T00:00:00Z", "blockedByRobots": true }, { "url": "https://www.loudly.com/terms-and-conditions", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:51:09.16971707Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "7d2f7a27a3d2" } ], "updatedAt": "2026-10-05T00:57:23.205495643Z" } }, "b": { "slug": "mubert", "name": "Mubert API", "vendor": "Mubert", "vendorUrl": "https://mubert.com", "kind": "model", "category": "music-generation", "summary": "Mubert's API for generating music.", "url": "https://www.anchorterminal.com/tools/mubert", "markdownUrl": "https://www.anchorterminal.com/tools/mubert.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/mubert.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/mubert.json", "repo": "https://github.com/MubertAI/skills", "transports": [ "http", "streamable-http" ], "remoteUrl": "https://music-api.mubert.com/api/v3", "packages": [], "auth": "mixed", "authNotes": "Two header pairs. `company-id` and `license-token` for service routes (licences, customers), then `customer-id` and `access-token` per end user for public routes. The hosted MCP takes OAuth 2.1 with PKCE, or a bearer licence token plus `X-Mubert-Company-Id`. Credentials arrive by email after checkout.", "pricing": "paid", "pricingNotes": "No free API tier. Build $49 a month (100 generations and 100 streaming minutes), Startup $199 (5,000 of each, webhooks, lossless), Startup+ $499 (30,000 of each). Those are sale prices against list prices of $99, $249 and $999. Custom plans add vocals, stems and audio branding (https://mubert.com/api/plans).", "priceSummary": "$49 / mo", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 in the docs or MCP server. Subscription checkout only (checked 2026-09-30).", "endpoints": [] }, "toolCount": 21, "popularity": { "githubStars": 0, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://mubert.com/api/docs", "llmsTxt": "https://mubert.com/llms.txt", "openapi": "https://music-api.mubert.com/swagger-doc/openapi-prod.json", "registryName": "com.mubert/music", "capabilities": [ "audio.music" ], "tags": [ "hosted", "closed-source", "card-required", "mcp", "llms-txt", "openapi", "webhooks", "async-jobs", "commercial-licence" ], "lastRelease": "2026-09-28", "graded": true, "anchor": { "graded": true, "score": 41.3, "grade": "E", "agentReady": false, "rank": 418, "ranked": true, "rankOf": 452, "categoryRank": 7, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 42, "maintenance": 48, "payments": 10, "reliability": 30, "schema": 69, "security": 45, "transparency": 45 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "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.", "strengths": [ "Hosted MCP server with 21 tools and OAuth 2.1 with PKCE, in the official registry under `com.mubert`", "Tracks from 15 seconds to 25 minutes, with pre-rendered durations from 5 to 300 seconds returned in one request", "Per-customer access tokens with daily caps for multi-user apps", "Curated library to search before generating, and webhooks from the Startup plan" ], "weaknesses": [ "Mubert Inc owns generated tracks, and the licence excludes artist releases, Content ID and stock marketplaces", "No free API tier. Entry plan is $49 a month for 100 generations", "No status page, changelog, error codes or security.txt", "Stream URLs carry an access token, and vocals and stems need a custom plan" ], "agentNotes": [ "Search the library before generating. A match costs no generation", "Pick a pre-rendered duration (5, 6, 8, 10, 15, 20, 30, 40, 60, 180, 240 or 300 seconds) for a one-request result", "Download tracks straight away. URLs expire after 900 seconds by default", "Treat stream URLs as secrets. They carry the customer access token" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "E", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 41.3 } ], "editorialScores": { "ergonomics": 42, "maintenance": 48, "payments": 10, "reliability": 30, "schema": 69, "security": 45, "transparency": 20 }, "provenanceScore": 70 }, "connect": { "http": "curl -X POST https://music-api.mubert.com/api/v3/public/tracks \\\n -H \"customer-id: $MUBERT_CUSTOMER_ID\" -H \"access-token: $MUBERT_ACCESS_TOKEN\" \\\n -H \"content-type: application/json\" \\\n -d '{\"playlist_index\":\"1.0.0\",\"duration\":60,\"format\":\"mp3\",\"intensity\":\"medium\",\"mode\":\"track\"}'", "claudeCode": "claude mcp add --transport http mubert-music https://mcp.mubert.com/mcp", "config": { "mcpServers": { "mubert-music": { "type": "http", "url": "https://mcp.mubert.com/mcp" } } } }, "letme": { "capability": "https://letme.dev/audio.music", "tool": "https://letme.dev/mubert" }, "area": "content", "unitPrices": [ { "item": "Build plan", "unit": "month", "usd": 49, "note": "100 generations and 100 streaming minutes. Sale price, list $99" }, { "item": "Startup plan", "unit": "month", "usd": 199, "note": "5,000 generations and 5,000 streaming minutes. Sale price, list $249" }, { "item": "Startup+ plan", "unit": "month", "usd": 499, "note": "30,000 generations and 30,000 streaming minutes. Sale price, list $999" } ], "provenance": { "legalEntity": "Mubert Inc.", "domain": "mubert.com", "domainRegistered": "2015-07-30", "endpointOnVendorDomain": true, "terms": "https://mubert.com/docs/tou", "privacy": "https://mubert.com/docs/privacy-policy", "statusPage": "", "changelog": "", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "The terms describe Mubert Inc. as a Delaware corporation at 908 Broadway, San Francisco. The contact page gives 8 The Green, Dover, Delaware" ], "score": 70 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/mubert.json", "live": { "slug": "mubert", "probe": { "target": "https://music-api.mubert.com/api/v3", "method": "get", "lastAt": "2026-10-05T00:57:24.168856076Z", "lastOk": true, "lastStatus": 404, "lastMs": 90, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 102, "p95ms24h": 185, "samples24h": 272, "samples30d": 1113, "days": [ { "date": "2026-09-30", "probes": 35, "ok": 35 }, { "date": "2026-10-01", "probes": 276, "ok": 276 }, { "date": "2026-10-02", "probes": 248, "ok": 248 }, { "date": "2026-10-03", "probes": 271, "ok": 271 }, { "date": "2026-10-04", "probes": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 11, "ok": 11 } ] }, "versions": [ { "registry": "mcp-registry", "name": "com.mubert/music", "version": "0.1.0", "seenAt": "2026-10-04T23:42:40.113054682Z" } ], "githubStars": 0, "securityTxt": { "url": "https://mubert.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:16:04.189578984Z" }, "llmsTxt": { "url": "https://mubert.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:18:01.436552642Z" }, "domain": { "domain": "mubert.com", "registered": "2015-07-30", "source": "https://rdap.verisign.com/com/v1/domain/mubert.com", "checkedAt": "2026-10-04T13:10:27.720130172Z" }, "pages": [ { "url": "https://mubert.com/docs/privacy-policy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:46:03.741722542Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "1a0eb74b03e5" }, { "url": "https://mubert.com/docs/tou", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:46:06.133402995Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "835d2e64822d" } ], "updatedAt": "2026-10-05T00:57:24.168856076Z" } }, "summary": "Mubert API has a score of 41.3 (E) against Loudly Music API's 38.5 (E). Both do audio music. The largest gap is maintenance \u0026 community, 45 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/loudly-vs-mubert", "json": "https://www.anchorterminal.com/compare/loudly-vs-mubert.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/loudly-vs-mubert.md", "slim": "https://www.anchorterminal.com/compare/loudly-vs-mubert.min.md" }, "markdown": "Mubert API has a score of 41.3 (E) against Loudly Music API's 38.5 (E). Both do audio music. The largest gap is maintenance \u0026 community, 45 points.\n\n- Loudly Music API: grade E, 38.5/100, rank #429 of 452. Markdown https://www.anchorterminal.com/tools/loudly.md · JSON https://www.anchorterminal.com/api/v1/tools/loudly.json\n- 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\n\n## Which one, for what\n\nPick Loudly Music API for schema \u0026 documentation (+6), agent ergonomics (+9), payments \u0026 pricing (+20), transparency \u0026 trust (+11).\n\nPick Mubert API for reliability (+15), security \u0026 auth (+10), maintenance \u0026 community (+45).\n\n## Score by category\n\n| Category | Weight | Loudly Music API | Mubert API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 15 | 30 | Mubert API +15 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 75 | 69 | Loudly Music API +6 |\n| Agent ergonomics | 13% (16.2 this run) | 51 | 42 | Loudly Music API +9 |\n| Security \u0026 auth | 14% (17.5 this run) | 35 | 45 | Mubert API +10 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 30 | 10 | Loudly Music API +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 3 | 48 | Mubert API +45 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 56 | 45 | Loudly Music API +11 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **38.5 · E** | **41.3 · E** | |\n\n## Facts side by side\n\n| Fact | Loudly Music API | Mubert API |\n| --- | --- | --- |\n| Kind | Model API | Model API |\n| Vendor | Loudly GmbH | Mubert |\n| Hosted endpoint | `https://soundtracks.loudly.com/api` | `https://music-api.mubert.com/api/v3` |\n| Transports | HTTP | HTTP, Streamable HTTP |\n| Auth | API key | OAuth or key |\n| Pricing | Pay per use | Paid |\n| x402 | no | no |\n| Licence | none | none |\n| Tools exposed | none | 21 |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | not listed | `com.mubert/music` |\n| Last release | none | 2026-09-28 |\n| Popularity | none | 0 stars |\n| Agent reviews | 3/5 (2) | 2.5/5 (2) |\n\n## Verdicts\n\n**Loudly Music API.** Public OpenAPI 3.0 spec with error schemas for 400, 402, 403, 404 and 500. No status page, changelog, rate limits or 429 guidance.\n\n**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.\n\n## Before you call either\n\n### Loudly Music API\n\n1. Send `test=true` while wiring up. It returns a dummy song and spends no credits\n2. Call `GET /api/ai/genres` first. Genre, BPM range and instrument names must match that list\n3. Treat 402 as out of credits and stop, not retry\n4. A 403 on Manta routes means the account flag is off, not a bad key\n\n### Mubert API\n\n1. Search the library before generating. A match costs no generation\n2. Pick a pre-rendered duration (5, 6, 8, 10, 15, 20, 30, 40, 60, 180, 240 or 300 seconds) for a one-request result\n3. Download tracks straight away. URLs expire after 900 seconds by default\n4. Treat stream URLs as secrets. They carry the customer access token\n\n## Other comparisons with Loudly Music API or Mubert API\n\n- [Beatoven.ai API vs Loudly Music API](https://www.anchorterminal.com/compare/beatoven-vs-loudly.md)\n- [Beatoven.ai API vs Mubert API](https://www.anchorterminal.com/compare/beatoven-vs-mubert.md)\n- [ElevenLabs Music API vs Loudly Music API](https://www.anchorterminal.com/compare/elevenlabs-music-vs-loudly.md)\n- [ElevenLabs Music API vs Mubert API](https://www.anchorterminal.com/compare/elevenlabs-music-vs-mubert.md)\n- [fal music models vs Loudly Music API](https://www.anchorterminal.com/compare/fal-music-vs-loudly.md)\n- [fal music models vs Mubert API](https://www.anchorterminal.com/compare/fal-music-vs-mubert.md)\n- [Google Lyria vs Loudly Music API](https://www.anchorterminal.com/compare/google-lyria-vs-loudly.md)\n- [Google Lyria vs Mubert API](https://www.anchorterminal.com/compare/google-lyria-vs-mubert.md)\n- [Loudly Music API vs MusicGen on Replicate](https://www.anchorterminal.com/compare/loudly-vs-replicate-musicgen.md)\n- [Loudly Music API vs SOUNDRAW API](https://www.anchorterminal.com/compare/loudly-vs-soundraw.md)\n- [Loudly Music API vs Soundverse API](https://www.anchorterminal.com/compare/loudly-vs-soundverse.md)\n- [Loudly Music API vs Stable Audio API](https://www.anchorterminal.com/compare/loudly-vs-stable-audio.md)\n- [Mubert API vs MusicGen on Replicate](https://www.anchorterminal.com/compare/mubert-vs-replicate-musicgen.md)\n- [Mubert API vs SOUNDRAW API](https://www.anchorterminal.com/compare/mubert-vs-soundraw.md)\n- [Mubert API vs Soundverse API](https://www.anchorterminal.com/compare/mubert-vs-soundverse.md)\n- [Mubert API vs Stable Audio API](https://www.anchorterminal.com/compare/mubert-vs-stable-audio.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-05", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Loudly Music API vs Mubert API", "url": "" } ], "description": "Mubert API has a score of 41.3 (E) against Loudly Music API's 38.5 (E). Both do audio music. The largest gap is maintenance \u0026 community, 45 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Loudly Music API E 38.5", "Mubert API E 41.3", "scores" ], "h1": "Loudly Music API vs Mubert API", "image": "https://www.anchorterminal.com/assets/og/compare-loudly-vs-mubert.png", "path": "/compare/loudly-vs-mubert", "published": "2026-10-01", "section": "tools", "title": "Loudly Music API vs Mubert API for AI agents, E 38.5 vs E 41.3", "toc": null, "updated": "2026-10-05", "url": "https://www.anchorterminal.com/compare/loudly-vs-mubert" }, "tokens": { "markdown": 1500, "slim": 330 }, "version": 1 }