Payment infrastructure · connected
The bridge for
modern payments.
Pontemesto connects your checkout to acquiring and operations through one dependable span — from first authorisation to final settlement.
- 99.98%
- gateway uptime
- < 300 ms
- auth decisions
- 2
- currencies, one key
curl -X POST https://pontemesto.app/api/public/v1/payments \
-H "X-Api-Key: pk_live_..." \
-H "X-Timestamp: 1723000000" \
-H "X-Signature: <hmac-sha256>" \
-d '{"amount": 2500, "currency": "EUR",
"order_id": "A-1042",
"card": {"number": "4012888888881881",
"exp_month": 12, "exp_year": 2030,
"cvv": "123"}}'- payment.authorizedEUR 25.00 · 214 ms
- threeds.challengeissuer window opened
- threeds.passedfrictionless · 1.8 s
- payment.approvedorder A-1042
- webhook.delivered200 OK · first try
The platform in numbers · live from the gateway
- payments processed
- settled in EUR
- settled in USD
- approval rate
- webhooks delivered
- average payment pace
Infrastructure for the whole crossing
Every critical handoff between your checkout and the issuer, engineered as one coherent system.
One direct crossing
One REST endpoint carries the card to a decision in milliseconds. No redirect maze, no third-party checkout, no competing brand.
3-D Secure, in your flow
Issuer challenges stay inside your domain. Shoppers authenticate without losing the path through checkout.
Every event reaches shore
Every status change is signed, retried with backoff and replayable from the console until your system confirms receipt.
One route in either direction
Full or partial refunds and idempotent status reads ride the same key pair and the same envelope. No second integration.
A true-to-life sandbox
Deterministic approve, decline and 3-D Secure test cards in EUR and USD. Integrate before the contract is signed.
A complete view across
Every payment, retry and decline appears in one operational console the moment it happens.
One payment, four connected spans
From the first byte of card data to the final webhook — each stage hands off to the next without losing momentum.
Authorise
The card hits one endpoint. A decision comes back in milliseconds — approved, declined or on to 3-D Secure.
Authenticate
The issuer challenge is wrapped by our checkout page on your domain. The shopper never leaves your flow.
Settle
Approved payments settle in EUR or USD. Status reads are idempotent, so retries are always safe.
Notify
A signed webhook leaves with every status change and keeps retrying with backoff until your system confirms.
Give every payment a clear way through
Sandbox keys in minutes, the same payloads in live. Swap the key when you are ready — nothing else changes.