Launch guides
How to Launch a pump.fun Coin With a Bundle (2026 Guide)
A step-by-step guide to bundled pump.fun launches: wallets, dev buy size, supply split, Jito tips and what happens in the first block after you press launch.
· 5 min read
The DevBundler blog
Launch smarter on pump.fun
Plain-English guides to bundled launches, Jito bundles, wallet setup and exits. Written for meme coin devs who know the basics and want the details right.
All articles (49)
Comparisons
11 Questions to Ask Before Using a pump.fun Bundler
Eleven questions to ask any pump.fun bundler before you fund a wallet: custody, launch method, failure handling, selling, fees, practice and getting out.
· 4 min read
Bundling explained
Address Lookup Tables Explained for pump.fun Bundles
What Solana address lookup tables are, why a pump.fun launch bundle cannot fit in 1232 bytes without one, and how one table gets 11 wallets into 5 transactions.
· 5 min read
Safety and wallets
Avoiding Fake pump.fun Bundlers and Wallet Drainers
How fake pump.fun bundlers and wallet drainers work, the red flags to check before you connect or paste a key, and what to do fast if a wallet gets drained.
· 5 min read
Comparisons
Browser Wallet vs Hosted Bundlers: Who Holds Your Keys?
Browser-wallet and hosted pump.fun bundlers differ in who holds your launch wallet keys. Here is what each custody model means for speed, safety and control.
· 5 min read
Bundling explained
Bundle vs Snipe vs Manual Buys: Launching on pump.fun
Three ways to buy your own pump.fun coin from several wallets at launch: bundling, sniping and buying by hand. How each works, where it fails and which fits.
· 5 min read
Comparisons
Bundler Scripts vs Hosted Tools: Run Your Own or Use an App?
Open-source pump.fun bundler scripts vs hosted bundler apps: control, custody, setup, maintenance, cost and the risks of running unknown code. Which fits you.
· 4 min read
Safety and wallets
Common pump.fun Launch Mistakes and How to Avoid Them
The pump.fun launch mistakes that cost devs SOL: underfunded wallets, oversized bundles, low tips, slippage errors, devnet assumptions and profits left in hot wallets.
· 4 min read
Safety and wallets
Consolidating SOL From Many Wallets After a Launch
How to sweep SOL from your launch wallets back into one: what to sell first, closing token accounts to reclaim rent, and the order that avoids stuck dust.
· 4 min read
Comparisons
DevBundler vs Launching on pump.fun Directly: Which to Use
Launching on pump.fun's own page vs a bundled launch with DevBundler: wallets, same-block buys, custody, fees and which one fits your launch.
· 5 min read
Safety and wallets
Exporting and Backing Up Solana Wallet Keys Safely
How to export a private key from DevBundler, where to store backups so they survive and stay private, and when sweeping funds beats exporting a key at all.
· 5 min read
Comparisons
Free vs Paid pump.fun Bundlers: What You Actually Pay For
Free and paid pump.fun bundlers compared: where free tools make their money, what paid plans add, the costs no tool can remove and how to judge value.
· 5 min read
Safety and wallets
How DevBundler Stores Wallet Keys (and What That Means for You)
A plain explanation of DevBundler's custodial key model: how keys are encrypted, why the server signs for you, and how to limit what you trust it with.
· 4 min read
Bundling explained
How Jito Bundles Work on Solana (Explained for Devs)
How a Jito bundle travels from your app to a Solana block: the block engine, the tip, ordering, atomic execution, and why a bundle sometimes never lands.
· 5 min read
Launch guides
How Much SOL Do You Need to Launch on pump.fun?
How much SOL a pump.fun launch really costs: the buys, about 0.003 SOL per wallet, 0.03 SOL for the dev wallet, the Jito tip and fees, with three worked budgets.
· 5 min read
Comparisons
How to Choose a pump.fun Bundler: A Buyer's Guide With Scoring
How to pick a pump.fun bundler: the five types of tools, the criteria that matter (custody, Jito bundles, exits, fees) and an 18-point scoring checklist.
· 7 min read
Launch guides
How to Choose Your Dev Buy Size on pump.fun
How big should your pump.fun dev buy be? What 0.5, 1 and 2 SOL get you on a fresh curve, what buyers read into it, and how to pick a size you can defend.
· 5 min read
Launch guides
How to Create and Fund Launch Wallets for a pump.fun Bundle
Set up a dev wallet and buyer wallets for a pump.fun bundle: generating or importing keys, labels and groups, how much SOL each needs, and distributing SOL in one step.
· 4 min read
Safety and wallets
How to Keep Your pump.fun Launch Wallets Safe
Practical wallet safety for pump.fun launches: separate your main wallet, fund only what a launch needs, sweep profits out and lock down the account you launch from.
· 5 min read
Trading and exits
How to Read a Meme Coin Chart on pump.fun
A plain guide to reading a pump.fun meme coin chart: market cap candles, wicks, timeframes, launch-block spikes, and why one wallet can draw a whole candle.
· 4 min read
Trading and exits
How to Sell a pump.fun Coin Across Multiple Wallets
How to sell one token from many Solana wallets at once: picking wallets, sell percentages, Fast vs Bundle mode, slippage and cleaning up the SOL afterwards.
· 5 min read
Launch guides
How to Split Supply Across Bundle Wallets on pump.fun
Equal SOL or equal percent? How to split a pump.fun launch across your dev and buyer wallets, why order matters on the bonding curve, and how to set a total share cap.
· 5 min read
Launch guides
How to Test a pump.fun Launch on Solana Devnet First
Practice a pump.fun bundle launch on Solana devnet with free test SOL. What a devnet run teaches you, what it cannot, and why devnet percentages do not match mainnet.
· 6 min read
Trading and exits
How to Track Profit Across Multiple Solana Wallets
How to work out real profit on a meme coin spread across many wallets: realised vs unrealised P/L, fees, tips and rent, and per-wallet entry market cap.
· 5 min read
Safety and wallets
Is Bundling on pump.fun Allowed? What Devs Should Know
Is bundling a pump.fun launch allowed? What a bundle is technically, where platform rules and laws come in, and which uses of a bundle tend to cause trouble.
· 4 min read
Comparisons
Jito Bundle vs Parallel Trades: Which Way to Send Many Wallets
Sending multi-wallet buys and sells on Solana as one Jito bundle or as parallel transactions: same block vs speed, all or nothing vs partial fills, and cost.
· 5 min read
Bundling explained
Jito Tips Explained: How Much Should You Tip?
What a Jito tip is, how it differs from a priority fee, when you pay it, and how much to tip for a pump.fun launch bundle. Start at 0.005 SOL and adjust.
· 5 min read
Trading and exits
Market Cap vs Price on pump.fun: Which Number to Watch
Why pump.fun traders talk in market cap instead of token price, how the two convert with a 1 billion supply, and how to read entry market cap and position value.
· 4 min read
Trading and exits
Planning Your Exit on a Meme Coin: A Practical Framework
A framework for deciding when and how to sell a meme coin before you buy: risk budget, sell tiers, invalidation points and honest handling of launch wallets. Not advice.
· 5 min read
Bundling explained
pump.fun Bonding Curve Explained: How the Price Moves
How the pump.fun bonding curve prices every buy: virtual reserves, the constant product formula, why 1 SOL buys about 3.4% of a fresh coin, and when the curve completes.
· 5 min read
Comparisons
pump.fun Bundler Feature Checklist: What a Good Tool Needs
A feature checklist for pump.fun bundlers: wallet management, launch mechanics, checks before sending, batch trading, exits, safety and cost. Use it to compare tools.
· 4 min read
Comparisons
pump.fun Bundler Fees Explained: Flat, Percentage or Subscription
How pump.fun bundler fees work: flat per launch, percentage of volume and subscriptions, the network costs on top, and a worked example to compare total cost.
· 5 min read
Launch guides
pump.fun Coin Name, Ticker, Image and Description: What Works
How to write a pump.fun coin name, ticker, image and description that people can find and trust, plus the metadata mistakes you cannot fix after the coin is created.
· 5 min read
Launch guides
pump.fun Launch Checklist: What to Check Before You Launch
A practical pump.fun launch checklist: coin details, wallets, SOL per wallet, supply split, Jito tip and the checks to run in the last five minutes before launch.
· 5 min read
Launch guides
pump.fun Launch Day Timeline: Hour by Hour, From Prep to Exit
A pump.fun launch day timeline from the week before to the evening after: when to finish metadata, fund wallets, pick the tip, press launch and sweep your SOL back out.
· 4 min read
Trading and exits
Reading the pump.fun Bonding Curve Progress Bar
What the pump.fun bonding curve progress percentage measures, why it can go down, why the last stretch costs far more SOL, and what happens when it hits 100%.
· 4 min read
Trading and exits
Slippage on pump.fun Explained: Settings, Errors and Fixes
What slippage means on pump.fun, why trades fail with errors 6002 and 6003, how to choose a slippage setting, and how batch trades keep later wallets inside it.
· 5 min read
Trading and exits
Solana Priority Fees Explained for pump.fun Traders
What a Solana priority fee is, how compute units and micro-lamports set the cost, how it differs from a Jito tip, and when paying more helps a pump.fun trade land.
· 5 min read
Safety and wallets
Solana Rent and Token Accounts Explained for pump.fun Devs
What Solana rent is, why every token account holds about 0.002 SOL, why launch wallets need extra SOL, and how to get that rent back by closing accounts.
· 5 min read
Comparisons
Telegram Bots vs Web App Bundlers for pump.fun Launches
Telegram bot bundlers vs web app bundlers for pump.fun: interface, custody, speed, seeing your wallets and the phishing risks of each. Which one suits how you launch.
· 5 min read
Trading and exits
Trading a pump.fun Coin After Migration to PumpSwap
What changes when a pump.fun coin completes its bonding curve and moves to PumpSwap: where trades go, why old tools fail with error 6005, and what to check first.
· 5 min read
Bundling explained
What Happens When the pump.fun Bonding Curve Completes
When a pump.fun bonding curve sells its 79.31% of supply, it completes and the coin migrates to PumpSwap. What changes for trading, prices, errors and your wallets.
· 5 min read
Bundling explained
What Is a Dev Buy on pump.fun? Meaning, Size and Signals
A dev buy is the creator's own first purchase of a pump.fun coin, made in the create transaction. What it means, what 1 SOL gets you and what buyers read into it.
· 4 min read
Bundling explained
What Is a pump.fun Bundler? A Clear Definition
A pump.fun bundler creates your coin and buys from several wallets in one atomic Jito bundle. What it is, how it works, what it costs and what it cannot do.
· 7 min read
Launch guides
What to Do in the First Minutes After a pump.fun Launch
Your pump.fun coin just launched. What to check on the dashboard, how to read the curve and your share, when to trade, and the mistakes people make in minute one.
· 5 min read
Launch guides
What to Do When a pump.fun Launch Fails
Your pump.fun launch did not go out, or did not go as planned. How to tell which kind of failure it was, what errors 6002, 6003 and 6005 mean, and how to retry safely.
· 5 min read
Trading and exits
Why Batch Sells Fail on pump.fun (and How to Fix Them)
Why multi-wallet sells on pump.fun fail with error 6003 when every wallet is quoted against the same price, and how in-order quoting keeps every sell landing.
· 5 min read
Bundling explained
Why Bundled Transactions Land Together (or Not at All)
Why a Jito bundle lands all in one block or nothing: atomic execution, fixed order, what breaks a bundle, and what that means when you plan a pump.fun launch.
· 5 min read
Bundling explained
Why Later Bundle Wallets Get Fewer Tokens on pump.fun
In a pump.fun bundle, equal SOL buys get fewer tokens with each wallet. Why the bonding curve does this, real numbers for 4 and 11 wallets, and how to plan around it.
· 4 min read