pump.fun history: a dated timeline
From a Solana side project to the largest memecoin launchpad: each event dated and linked to its source.
pump.fun launched on Solana in January 2024, run by Baton Corporation Ltd. Key dates since: PumpSwap replaced Raydium for graduated coins on 20 March 2025; the PUMP token sale opened on 12 July 2025; pump.fun bought the Padre terminal on 24 October 2025; perps via Hyperliquid arrived on 16 October 2026, alongside a 0.45% app Platform Fee from 17 October. A US court let racketeering claims against Baton and its founders proceed on 31 August 2026.
Dates are when the event happened or was first reported, and each links to its source. Where a date is approximate we say so. “Newsletter” means Baton Corporation’s weekly update published on pump.fun’s PUMP page, read through an Internet Archive copy. For fee changes in detail, see our fee and program changes log; for current events, news.
This page is independent and unofficial.
2024: launch and growing pains
| Date | Event |
|---|---|
| Jan 2024 | pump.fun launches on Solana: anyone can create a coin and trade it on a bonding curve, with graduates moving to Raydium (The Block) |
| Feb 2024 | Adds Blast, an Ethereum layer 2 (same source) |
| 16 May 2024 | A former employee drains about 12,300 SOL (~$1.9M) from the platform (The Block) |
| ~28 May 2024 | Livestreams added to coin pages (Decrypt) |
| 25 Nov 2024 | Livestreaming disabled indefinitely after harmful streams (The Block) |
| 3 Dec 2024 | UK regulator FCA warns pump.fun lacks permission; pump.fun blocks UK users days later (FCA) |
2025: PumpSwap, the token and Terminal
| Date | Event |
|---|---|
| 16 Jan 2025 | First US class action filed (Carnahan v. Baton Corp., S.D.N.Y.) |
| 30 Jan 2025 | Aguilar v. Baton Corp. filed; consolidated with Carnahan on 25 June 2025. See the court case |
| 14 Feb 2025 | Mobile app launches on iOS and Android (The Block) |
| 26 Feb 2025 | pump.fun’s X account hijacked to promote a fake token (The Block) |
| 20 Mar 2025 | PumpSwap launches; graduates move there instead of Raydium and the 6 SOL migration fee is dropped (The Block) |
| 4 and 11 Apr 2025 | Livestreams return for 5% of users, then for everyone |
| 12 Jul 2025 | PUMP token sale at $0.004; The Block puts the public sale at $600M, sold in about 12 minutes (The Block). See the PUMP token |
| 2 Sep 2025 | “Project Ascend”: creator fees that change with a coin’s market value (Decrypt) |
| 24 Oct 2025 | pump.fun acquires the Padre trading terminal, later rebranded Terminal (Cointelegraph) |
| ~12 Nov 2025 | Mayhem Mode launches: an AI agent trades opted-in coins for 24 hours |
2026: social, cross-chain and new fees
| Date | Event |
|---|---|
| ~15 Jan 2026 | Callouts feature launches |
| 17 Feb 2026 | Cashback coins: creators can send the creator fee back to traders (Cointelegraph) |
| 26 May 2026 | In-app trading on Ethereum, Base and BNB Chain |
| 4 Jun 2026 | GO bounty board launches (Decrypt) |
| 29 Jun–5 Jul 2026 | Tokenized-agent launch option removed (newsletter #1) |
| ~8 Jul 2026 | Robinhood Chain trading in the app. See EVM and Robinhood Chain |
| 21 Jul 2026 | “BOOST mode” becomes the standard launch mechanism (newsletter #4) |
| 7 Aug 2026 | Social trading launches publicly; Callout Rewards in USDC start 13 Aug (newsletter #6; Callout Terms) |
| 26 Aug 2026 | HyperEVM trading in the app (newsletter #9) |
| 31 Aug 2026 | Court lets RICO claims against Baton and its three founders proceed; Solana defendants and securities counts dismissed (docket) |
| 9 Sep 2026 | Custom pairs: coins priced in tokenized stocks and other assets, 93 pairs at launch (newsletter #11) |
| 12 Sep 2026 | Holder Rewards launch and replace Cashback for new coins (newsletter #11) |
| 10 Oct 2026 | Callout Rewards switch to paying on followers’ outcomes |
| 15 Oct 2026 | Baton and the founders file their answer in the class action |
| 16 Oct 2026 | Perps via Hyperliquid appear in the app; referral program with a temporary 4x boost |
| 17 Oct 2026 | Fees page update: 0.45% Platform Fee on app and web trades, 0.40% with a referral code (Fees page). See the Platform Fee |
| ~19 Oct 2026 | Collector Crypt card packs added to the app |
| 1 Nov 2026 | Referrers’ share of the Platform Fee set at 37.5%, ending the boost (pump.fun on X) |
What hasn’t changed
Through all of it, the core is the same: a free launch, a bonding curve and a graduation into a pool. So are the base rates: most coins never graduate, and most memecoins lose most of their value.
Questions people ask
When did pump.fun launch?
In January 2024, on Solana. The Block reported in April 2024 that it had reached $5 million in revenue after launching that January; it briefly added Blast, an Ethereum layer 2, in February 2024.
Who created pump.fun?
Court filings and pump.fun's Terms name Baton Corporation Ltd, an English company, as the operator, and Alon Cohen, Dylan Kerler and Noah Tweedale as its founders.
When did pump.fun stop using Raydium?
On 20 March 2025, when it launched its own exchange, PumpSwap. Graduated coins have moved to PumpSwap since then, and the old 6 SOL migration fee was dropped; graduation now costs 0.015 SOL.
Sources
- The Block: Solana and Blast memecoin platform pump.fun hits $5 million in revenue (8 Apr 2024)
- The Block: Pump.fun identifies $1.9 million exploiter as former employee (May 2024)
- Decrypt: Pump.fun adds livestreaming feature (29 May 2024)
- The Block: Pump.fun disables live streaming indefinitely (25 Nov 2024)
- FCA Warning List: Pump.fun (3 Dec 2024)
- The Block: Pump.fun launches mobile app (14 Feb 2025)
- The Block: Pump.fun's X account hacked to promote fraudulent tokens (26 Feb 2025)
- The Block: Pump.fun launches DEX called PumpSwap (20 Mar 2025)
- The Block: Pump.fun raises $600 million in 12 minutes (Jul 2025)
- Decrypt: Pump.fun's new fee model (Project Ascend, Sep 2025)
- Cointelegraph: Pump.fun acquires Padre trading terminal (Oct 2025)
- Cointelegraph: Pump.fun launches Cashback Coins (Feb 2026)
- Decrypt: Pump.fun's latest experiment (GO, Jun 2026)
- pump.fun weekly newsletter on the PUMP page, Internet Archive copy of 12 Oct 2026
- CourtListener: Aguilar v. Baton Corp., 1:25-cv-00880 (opinion of 31 Aug 2026, Dkt. 184)
- pump.fun Fees page, Internet Archive copy of 31 Oct 2026
- Bankless: Pump.fun adds leveraged perps via Hyperliquid (16 Oct 2026)
- pump.fun on X: referral share update (1 Nov 2026)