A high-risk ISO that publishes rate and reserve ranges and a site checklist before you apply. I would use it when a continuity offer needs that file shaped, and I would still treat the published range as a band rather than the rate on the contract.
It is at its best for subscription merchants who want the file and the reserve shaped before volume scales. That is the lens the rest of this review uses: not whether it is the biggest tool on the market, but whether it is the right one for that operator.
I would look at Durango when the offer is subscription or continuity and the missing piece is a specialist who will shape the file before the ads scale. The public page is unusually specific about what the website must already show.
That checklist covers a refund and cancellation policy, a fulfillment timeline, clear subscription terms, a way to reach support, and the terms and privacy pages. If those pages are missing, the 1-to-3-day window does not start.
Durango also defines instant approval as something other than a skipped review. Many of those offers are a preliminary yes, or a PayFac signup that can still freeze. The high-risk page is the source. A payments-forum thread calls Durango and PayKings decent for this space and says the fees sit above a standard account.
Our guide to high-risk merchant account providers places this ISO beside two others.