Link Building Marketplaces: How They Work and When to Use One
How link building and guest post marketplaces work, what they cost, how they compare with managed services and agencies, and how to pick sites safely.
A link building marketplace is a platform where publishers list their websites and the price they charge for a guest post or link, and buyers browse, filter and order placements directly. Think of it as a catalogue of sites, with the platform handling payment, messaging and checking that the link goes live.
Marketplaces give you more control over exactly where your links go than almost any other way of buying them. The catch is that they also hand you all of the judgement, and a catalogue of tens of thousands of sites contains a lot you shouldn't touch.
How a backlink marketplace works
- Sign up as an advertiser and add funds or a payment method
- Filter the catalogue by niche, language, Domain Rating, traffic, price and other metrics
- Pick sites and choose the service: a new guest post, a link insertion, or sometimes a press-style article
- Supply content or order it, with your target URL and anchor
- The publisher reviews and publishes, and the platform checks the link is live
- You approve, and payment is released to the publisher
Most platforms add a commission or service fee on top of the publisher's price. Collaborator's catalogue, for example, shows each site's price with a separate commission added (sample listings in October 2026 ranged from $40 to $91 plus $10 to $25 commission).
The main marketplaces at a glance
Figures below are as published on each platform's own homepage, checked October 2026.
| Marketplace | Catalogue size (as published) | What's listed publicly | Notable features |
|---|---|---|---|
| Collaborator | 44,997+ websites | Per-site prices plus commission | Also sells placements on Telegram channels |
| Adsy | 150K+ platforms | No prices without an account | Filters by Moz DA, Ahrefs DR and traffic |
| WhitePress | 148,000+ websites in 36 languages | No prices without an account | Pay as you go, states a 36-month publication guarantee |
Catalogue sizes are the platforms' own figures and include sites of every quality level. For a comparison of features and fit, see our roundup of the best link building marketplaces.
Marketplace vs managed service vs agency
| Marketplace | Managed service | Agency | |
|---|---|---|---|
| Price per link | Lowest, publisher rate plus fee | Fixed per tier | Highest, includes strategy |
| Control over sites | Full | Limited to tier and niche | Shared |
| Time you spend | High | Low | Lowest |
| Quality risk | Depends entirely on your vetting | Depends on the provider's vetting | Depends on the agency |
| Best for | Experienced SEOs who know what good looks like | Agencies and teams buying at volume | Brands wanting a full campaign |
Pros and cons of buying from a marketplace
| Pros | Cons |
|---|---|
| You see the exact site before you buy | Many listed sites exist mainly to sell links |
| Prices are visible upfront, at least once you sign up | Metrics like DR can be inflated and are easy to game |
| Pay as you go, with no long contract on platforms such as WhitePress | Vetting takes real time per site |
| Wide choice of languages and countries | Every listed site is, by definition, selling links |
That last point matters. A site listed on a guest post marketplace is publicly offering paid placements, which is exactly the pattern Google's spam policies describe. Our guide to buying backlinks explains the policy and the risk honestly.
How to pick good sites on a marketplace
Treat the platform's metrics as a starting filter, then check each site yourself.
- Filter on organic traffic first, then relevance, then authority
- Check the traffic trend in Ahrefs or Semrush, and skip anything in steep decline
- Read the site's top keywords to confirm it ranks for its own topic
- Look at recent posts for a pattern of paid outbound links on unrelated subjects
- Compare the price to the alternatives in our link building cost guide
- Use natural anchors and vary them (see anchor text)
How much do marketplace links cost?
Prices are set by each publisher and vary widely with the site's traffic, authority and niche. Collaborator's public sample listings in October 2026 sat between $40 and $91 before commission, while Adsy and WhitePress show prices only once you've signed up.
Low prices are tempting but misleading. A $40 placement on a site with no organic traffic is worth less than nothing if Google ignores it, while a $300 link on a relevant site with real readers can be good value. Compare marketplace prices with managed alternatives in our guide to link building cost.
When a marketplace is the right choice
A marketplace makes sense when you know exactly what a good site looks like, you want to approve every placement, and you have the time to vet sites one by one. It suits experienced SEOs and in-house teams with a defined list of target publications.
If you'd rather hand off the selection and outreach, a managed service or agency is the better fit. Our guide to outsourcing link building compares the options.
The short version
- A link building marketplace is a catalogue of sites with listed prices, where you choose and order placements yourself
- It gives you the most control and often the lowest price per link
- It also hands you all the vetting, and every listed site is openly selling links
- Filter on real traffic and relevance, not on DR alone
- Choose a managed service or agency instead if you don't have time to vet sites properly