Onramper
Aggregator that routes crypto purchases across 30+ fiat on-ramp providers through one widget or API.
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Onramper key facts
| Category | Fiat on-ramp |
|---|---|
| Platforms | Web, API |
| Custody | Non-custodial |
| Pricing | Essentials $199/month; Premium $599/month; White-Label custom |
| US availability | Available: terms restrict only sanctioned jurisdictions |
| Fees | No Onramper fee to the user; fees set by the chosen onramp provider, which pays Onramper a fee |
What is Onramper?
Onramper is a fiat-to-crypto aggregator that combines more than 30 on-ramp providers, including MoonPay, Stripe and Revolut, in one widget or API. Its docs list over 130 payment methods and more than 800 crypto assets, and name Exodus and Coinbase Wallet as integrations.
How Onramper works
Onramper sits between an app and 30+ on-ramp providers.
Two engines pick the route: a payment method engine recommends the best-converting method per country, and an onramp ranking engine chooses a provider for each user by price, KYC requirements and historical success rate. Both run by default in the widget and are exposed to API integrations through endpoints such as the Payment Types API and the Defaults API. The provider that wins the route runs the purchase and its own checks.
How to start with Onramper
- Onramper is a business product, not a consumer app: you integrate it into a wallet, exchange or dApp.
- The widget integration takes under an hour per its docs, or you build on the API.
- For API v2 you generate an Ed25519 key pair, send the public key to Onramper, and register server egress IPs, widget domains, redirect URLs and a security contact; calls from non-whitelisted IPs get 403 Forbidden.
- Essentials and Premium offer a free trial.
Onramper fees and limits
- Essentials costs $199 per month or $1,800 per year and routes to 6 on-ramps.
- Premium costs $599 per month or $5,750 per year and opens all 30+ on-ramps, off-ramps, P2P and crypto-to-crypto swaps, and custom fee options.
- White-Label is custom-priced, and a custom routing engine costs an extra $400 per month.
Risks to know before using Onramper
- Your users' money and identity data go to the third-party provider chosen for each order, so that provider's terms, KYC and state coverage apply.
- Onramper's docs warn that anyone holding your private API key can sign requests as your organization, and recommend separate key pairs for dev, staging and production, stored in a secrets manager rather than in code.
Onramper alternatives
Other projects people compare with Onramper.
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Crypto on-ramp, off-ramp, swap and card infrastructure that wallets and exchanges embed.
Where Onramper ranks on DappAtlas
Listed next to Onramper
- MoonPay Fiat on-ramp
Onramper pros and cons
- One integration covers 30+ on-ramp and off-ramp providers
- Over 130 payment methods
- Widget and API integration options
- Business plans start at $199 per month
- Essentials plan includes only 6 on-ramps
- Off-ramps and P2P support need the $599 per month Premium plan
Onramper FAQ
What is Onramper?
Onramper is a fiat-to-crypto aggregator that combines more than 30 on-ramp providers, including MoonPay, Stripe and Revolut, in one widget or API. Its docs list over 130 payment methods and more than 800 crypto assets, and name Exodus and Coinbase Wallet as integrations.
How much does Onramper cost?
No Onramper fee to the user; fees set by the chosen onramp provider, which pays Onramper a fee, according to Onramper’s own page (checked Oct 1, 2026).
Is Onramper available in the US?
Available: terms restrict only sanctioned jurisdictions, according to Onramper’s own page (checked Sep 26, 2026).
Does Onramper hold my funds?
No. Onramper is non-custodial: you keep your funds in your own wallet and sign each transaction.
Sources
How this page works
Sources: Onramper: official site, Onramper: Pricing, Onramper: Terms and Conditions. Data as of Oct 1, 2026.
Not affiliated with any project listed. Educational content, not financial advice.