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APIs · head to head

Highnote vs Salt Edge

Highnote logo

Highnote

APIs

Card issuing, acquiring and ledger on one platform for embedded payments

From
On request
Rated
-
Full reviewWebsite
Salt Edge logo

Salt Edge

APIs

Independent open banking aggregator covering Europe by PSD2 API and other markets by direct connection

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Highnote card issuing requires a sponsor bank, and that bank sets programme approval, compliance obligations and often minimum volumes, so a small programme can be rejected regardless of technical fit.; Salt Edge coverage outside regulated open banking markets is not all direct bank API, and connections that are not regulated interfaces break when a bank changes its systems, so a headline country count overstates the reliability you will actually experience.
  • They diverge on capability: Highnote covers Card issuing, Salt Edge covers Account information.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Highnote and Salt Edge actually diverge.

Attributes where Highnote and Salt Edge differ
AttributeHighnoteSalt Edge

Identical on both: starting price (On request), pricing model (quote), free tier (No), platforms (Web, API), user rating (Not yet rated), category (APIs).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Highnote

  • Card issuing
  • Merchant acquiring
  • Unified ledger
  • Spend controls
  • GraphQL API
  • Programme management
  • Dispute handling
  • Real time authorisation webhooks

Only in Salt Edge

  • Account information
  • Payment initiation
  • Wide country coverage
  • Open Banking Gateway
  • Categorisation and enrichment
  • Consent management
  • Partner and white label
  • Sandbox

What people use each for

The jobs each tool is most often brought in to do.

Highnote

  • A marketplace that both pays out to sellers and issues them spend cards, wanting one settlement ledgernot Salt Edge
  • A vertical software company embedding card acceptance and card issuing for the same customer basenot Salt Edge
  • A fintech launching a commercial charge card programme with custom authorisation logicnot Salt Edge
  • A platform replacing separate issuing and acquiring vendors to remove cross system reconciliationnot Salt Edge

Salt Edge

  • A lender operating across several European and non-EU markets that needs one aggregation contract rather than a different provider per countrynot Highnote
  • A fintech that wants an aggregator not owned by a card network because its use case competes with card productsnot Highnote
  • An accounting or treasury product that needs bank feeds in markets the large aggregators do not servenot Highnote
  • A bank that must publish PSD2-compliant APIs and would rather buy the compliance layer than build itnot Highnote

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Highnote

  • Card issuing requires a sponsor bank, and that bank sets programme approval, compliance obligations and often minimum volumes, so a small programme can be rejected regardless of technical fit.
  • Pricing is entirely quoted, including platform fees, per active card charges and monthly minimums that do not appear on the website, so the true cost per card is only visible late in a sales process.
  • Interchange sharing is the real revenue model for most customers, and the split is negotiated, capped for regulated debit under the Durbin amendment and sensitive to your spend mix, so revenue projections built on headline interchange rates overstate income.
  • Running issuing and acquiring with one provider concentrates risk: an outage or a compliance action affects both money in and money out at the same time.
  • Highnote is a younger company than the established issuer processors, so long term programme continuity, network certifications in new geographies and international coverage are thinner than the incumbent alternatives.

Salt Edge

  • Coverage outside regulated open banking markets is not all direct bank API, and connections that are not regulated interfaces break when a bank changes its systems, so a headline country count overstates the reliability you will actually experience.
  • Pricing is not published and is usage-based, so two providers cannot be compared without running both sales processes, and cost grows with the connected user base rather than with revenue.
  • Support and engineering are distributed across Eastern Europe and Canada, and buyers in other time zones report slower turnaround on connection-specific breakages than they get from a domestic provider.
  • PSD2 consent rules require customers to reauthenticate periodically, and Salt Edge cannot change that, so any product depending on continuous data must design for consent expiry and the drop-off it causes.
  • United States coverage is weaker than Plaid or Mastercard Open Banking, so a company with meaningful US volume ends up running two aggregators and normalising between them.

Pricing, plan by plan

Highnote

On request
  • Highnote platform$undefined/year
    • Quoted per programme with no public rate card
    • Requires a sponsor bank relationship for card issuing
    • Interchange sharing terms negotiated per programme

Salt Edge

On request
  • Salt Edge Open Banking API$undefined/year
    • Account information and payment initiation
    • Coverage across 50 plus countries
    • Consent management and enrichment

Which should you pick?

Choose Highnote if

  • You need card issuing.
  • You work on Web, API.
  • You also want merchant acquiring.
Highnote review

Choose Salt Edge if

  • You need account information.
  • You work on Web, API.
  • You also want payment initiation.
Salt Edge review

Questions people ask

Is Highnote or Salt Edge better?
Neither clearly leads. Highnote starts at On request and Salt Edge at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Highnote or Salt Edge?
Highnote starts at On request and Salt Edge at On request.
Does Highnote or Salt Edge run on more platforms?
Both run on Web, API, so platform support will not decide this one for you.
What is Highnote best used for?
Highnote is most often used for a marketplace that both pays out to sellers and issues them spend cards, wanting one settlement ledger, a vertical software company embedding card acceptance and card issuing for the same customer base, a fintech launching a commercial charge card programme with custom authorisation logic, a platform replacing separate issuing and acquiring vendors to remove cross system reconciliation. Of those, a marketplace that both pays out to sellers and issues them spend cards, wanting one settlement ledger and a vertical software company embedding card acceptance and card issuing for the same customer base are not what Salt Edge is typically brought in for.
What can Highnote do that Salt Edge cannot?
Highnote covers Card issuing, Merchant acquiring, Unified ledger, Spend controls. Salt Edge covers Account information, Payment initiation, Wide country coverage, Open Banking Gateway.

Answered from the vendors’ own pages

Highnote: Do I need a sponsor bank?

Yes for card issuing in the United States. Highnote is a processor and programme platform, not a bank, and the sponsor bank sets approval and compliance terms.

Salt Edge: Who owns Salt Edge?

It is independently owned, unlike Tink (Visa), Finicity (Mastercard) or Yodlee (Envestnet), which matters if your use case competes with the owner.

Highnote: How do customers make money on a card programme?

Mostly interchange sharing. Negotiate the split explicitly and model it against your actual spend mix, since regulated debit interchange is capped.

Salt Edge: Is all coverage direct bank API?

No. Inside PSD2 markets connections use regulated APIs; elsewhere coverage relies on direct connections whose reliability depends on the bank not changing its systems. Ask for a per-institution answer.

Highnote: Can Highnote handle both accepting and issuing payments?

Yes since its 2025 acquiring launch, on the same ledger, which is its main structural differentiator.

Salt Edge: Does it do payments as well as data?

Yes, payment initiation is supported in European markets where PSD2 applies.

Salt Edge: What does it cost?

Not published. Pricing is usage-based and quoted, though the sandbox is free.

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