Muso AI API: Access, Endpoints & Pricing (2026)

Does Muso AI Have an API?

Yes. Muso.AI publishes a REST API (documented as version 4.0 at developer.muso.ai) that lets you pull its verified music-credits and discography data into your own systems over HTTP. If you're building a rights, royalty, catalog or artist-analytics product and want programmatic access to who worked on which track, this is the integration path — rather than scraping profiles by hand.

Two things to know up front, both from Muso's own docs: access is by application (you fill a form to request an API key, it's not an instant self-serve signup), and the API pricing is not published. This guide covers what the API actually returns, how authentication works, and where Muso simply doesn't disclose the commercial terms.

What Data the API Returns

The API is organized around Muso's core entities: profiles (artists, producers, engineers, songwriters), albums, tracks, organizations and roles. You can search across all of them and then pull detailed records.

A profile record returns fields like the person's name, type (e.g. artist), bio, city and country, their credit count and collaborator count, and cross-platform identifiers such as a Spotify ID — so you can map Muso's verified credits back to the same track or artist in your own catalog. In other words, the API's job is the same as the platform's: turn scattered streaming metadata into a unified, verified view of credits and discography, but in JSON you can consume programmatically.

The Endpoints

The documented API groups into a few areas. Search (POST /search) queries profiles, albums, tracks and organizations by a keyword, with filters for child credit roles (for example, 'Composer') and release-date ranges, and paging via a limit (1-50 items) and offset. Profiles search (GET /profiles/search) looks up profiles by name, by Muso track IDs, or by Spotify track IDs.

The Profile endpoints get a profile's details by Muso or Spotify ID (GET /profile/{id}), and list a profile's credits and collaborators. There are also Album, Track and Roles endpoints for pulling release- and credit-level data. Note that some write operations are gated further — the docs state that creating a profile 'works for specific use-cases only' and tell you to reach out to Muso's team directly for it, so not every endpoint is open to every key.

How to Get Access and Authenticate

Access is request-based. Muso's docs say that to use the API you fill in an access request form, after which you receive an API key. There's no public 'sign up and get a key instantly' flow documented — it's an application, which is typical for a licensed music-data API.

Authentication is straightforward once you have a key: every request sends it in an 'x-api-key' HTTP header. Responses are JSON with a standard shape (a result status, an HTTP code, and a data payload). The search endpoint's per-request limit is 1 to 50 items with offset paging, so large pulls are done by paging rather than one big call.

What Does the Muso AI API Cost?

Muso does not publish API pricing. The developer documentation describes the endpoints and authentication but states no price, no free API tier and no published rate limits (beyond the 1-50 items-per-search paging limit). Because access is by application, the commercial terms are almost certainly quoted per deal when you request access — but since the vendor doesn't disclose them, we won't put a number on it. If cost is a deciding factor, ask for it in your access request.

One clarification worth making, because it's a common mix-up: the subscription plans on Muso's pricing page — Pro at $12.50/month ($10 billed annually) and Business at $30/month ($24 billed annually), plus a free artist plan — are the artist and company profile subscriptions (analytics, achievement tiles, catalog audits). They are not the developer API, and that pricing page does not itself grant or price API access. The API is a separate, application-based product.

Who the API Is For

The API fits teams that need verified credits and discography data inside their own product: distributors and labels reconciling who is owed royalties, rights and publishing platforms attaching credits to works, music apps enriching artist pages, and analytics tools that want Muso's cross-platform identifiers to join data. If you just want to track your own credits and streams, the artist app and subscription cover that without any code. The API is for programmatic, at-scale access — which is exactly why it's gated behind an application.