The feed Suno forgot — Seismophone Observatory

We built a monitor and pointed it at Suno's trending feed. Three months later we understood why it never moved: not because it had frozen, but because no one was maintaining it. We had been photographing a fossil.

Here is how it started. Suno publishes an endpoint — /api/trending — that returns a chart called "Explore — Top 10 Songs" (playlist ID 1190bf92…). Anyone can read it without logging in, so we did the obvious thing and treated it as the platform's public face. From Apr 13, 2026 we photographed it once a day through Jul 5, 2026: 84 distinct days of captures.

It never changed. The same track held #1 for 84 days straight — Tsunami-Raptor (LIVE) by @steicamel. We first assumed we had a story about a frozen chart. A forensic teardown on 5 July 2026 overturned that reading: this is not a live feed that stopped moving. It is an object the platform forgot.

84 days

Days we watched the same 2024 track sit unmoved at the top of this endpoint — the entire length of our capture window. The real freeze runs far longer: every track on the list was created in September 2024, and the snapshot has been served untouched for roughly 22 months.

The receipts

Open all 49 tracks on the list and their creation timestamps fall inside a single 72-hour window: 15–17 September 2024. It reads like someone hand-picked a "top ten" over that weekend and nobody touched it again. That is not how a live chart behaves; it is a pinned snapshot.

And it is still served fresh. Two fetches 108 seconds apart returned byte-identical content, with Cf-Cache-Status: DYNAMIC and no cache directives — meaning this 2024 data is not stuck in a CDN layer; the origin regenerates it as a live response every time. The endpoint is alive; the data is dead. The #1 track gained just 56 plays across the three months we watched — real listeners are not looking at this list.

The line below is daily turnover of the list's top ten: what share is new versus the day before. A living chart jitters; this one hugs the baseline as a flat line. Of the 83 adjacent days we compared, 83 showed zero turnover, and the top three has been identical for 84 days. We used to read this flatline as a freeze. It is really the flat trace of an abandoned feed.

Top-10 turnover · daily

Each point is the share of that day's top ten that is new. The red segment marks the most recent unbroken zero-turnover run — once read as a freeze, now confirmed as evidence of an abandoned endpoint. Drawn from our daily snapshots of this 2024 snapshot.

Distinct tracks that have ever appeared in the top ten across our full 84-day window — all of them created over a single weekend in September 2024. Each has averaged 84 days on chart.

Current top ten · days on chart

1
Tsunami-Raptor (LIVE)@steicamel84 days
2
The Boss@aimagician84 days
3
The Last Pilgrim@eviltyromancer84 days
4
Did you forget? (ft. TongMick)@procrastopia84 days
5
Fading Lights@fabiofalcone84 days
6
Flosstradamus - Soundclash Master ( Cover Suno Remix Contest)@vvmusicbirdspath84 days
7
Static@namestaken84 days
8
Never too old to Party - ft. @renhal@spupuz84 days
9
Pain In The Butt [SSC5, USA]@aimagician84 days
10
Echoes of Yesterday (Cover)@tagliuz84 days

Suno moved on — and never told the API

So where is the real Explore? It moved. Per Suno's own release notes, the platform ran an "Explore Refresh" on 14 May 2026 and rebuilt discovery around a set of human-curated playlists — Staff Picks (content through 2026-06-20) and Best of v5.5 (through 2026-06-22) among them. We checked those shelves the same day: they share zero tracks with the fossil chart.

The irony runs deeper. Even inside the new curated shelf, the playlist literally named "Trending" (ID 07653cdf…) is itself a stale snapshot from around May 2025. In other words, nothing Suno exposes to the public under the word "trending" is actually live. The one we had been monitoring was simply the oldest of them.

What it means

We surface this without editorializing. But the implication reads plainly: Suno's public discovery data for third parties is unmaintained. Anyone trying to understand what is popular on Suno right now from the outside — researchers, creators, other tools — is handed a 2024 fossil instead of the real discovery surface.

This is not only our claim. Music Ally reported in March 2026 that Suno exposes no real trending data to third parties — a project called SunoCharts had to fall back on placeholder dummy data — and per Music Business Worldwide (July 2026), Suno's forthcoming official API is generation-only, with no discovery or charts. The difference is that we hold dated proof: 84 daily snapshots plus a byte-level forensic teardown that pins down exactly when this data stopped updating.

The practical advice for creators shifts with it: stop hoping to break into a "trending" chart the platform has all but forgotten. Invest where you hold the levers — your portfolio page, human-curated playlists, remixes and collaborations. That is where discovery actually happens now.

Methodology

Since Apr 13, 2026 we snapshot this chart once a day through Suno's public, W3C-oEmbed-discovered endpoints (read-only, anonymous, no HTML scraping, no login). When a day has multiple captures we keep the latest; every metric is day-granular, covering through Jul 5, 2026 across 84 distinct days. The 49-clip creation window, the byte-for-byte stability and the DYNAMIC origin serving come from a 2026-07-05 anonymous forensic capture of the same public endpoint.

Prior work and correction: a sibling probe project once logged a 67-day zero-rotation streak in this chart's top three as a freeze. That same project's 2026-07-05 teardown corrected the reading — those 67 days were measuring the 2024 snapshot itself. Our independent 84-day window agrees with the correction: what looked like a freeze is an abandoned endpoint.