Reaching the wallet, card and stablecoin records inside Pouchers

Every Pouchers account carries several moving ledgers at once: a Naira balance, a stablecoin balance funded with USDT or USDC across multiple networks, and up to three virtual card numbers that authorize spend against it (per its Play and App Store listings and a March 2026 Technext interview with the CEO). The interesting integration target here is not a static statement. It is a set of fast-moving, cross-border value flows that a treasury tool, an accounting system, or a compliance check would want to read continuously. That real-time character — money arriving as stablecoin, moving between currencies, and going out through card rails — is what shapes how we build against it.

The bottom line: the data is there, it is per-account and structured, and the practical way in is the app's own interface, mapped under authorization. We treat the wallet, the card layer and the stablecoin on-ramp as three linked datasets and deliver a client that reads all three coherently. A regulated open-banking channel is used wherever it genuinely covers an account; for everything it does not, authorized interface analysis is the spine of the work.

What Pouchers stores per account

These are the surfaces a user sees in the app, named the way the product names them, with what an integrator would do with each.

Getting to the data: the routes that apply

Two routes do the real work here, with a third as a fallback. We say upfront which one we would lead with.

Authorized interface analysis (the spine)

Pouchers is a mobile-first client talking to its own backend. We analyze that client-server interface under your authorization and a consenting account holder's permission, document the auth handshake and the wallet, card and transfer endpoints, and build a stable client against them. Reach is broad: anything the app itself shows a user is reachable this way. Durability is moderate — the app was recently rebuilt end to end, so the integration is versioned and re-validated rather than assumed permanent. Access to a consenting test account is arranged with you during onboarding.

Regulated, customer-permissioned channel

Where an account is reachable through Nigeria's open-banking channel under the CBN guidelines, that route is preferred for the data it covers: consent is explicit and revocable, and the contract is stable. It does not span Pouchers' card or stablecoin-funding surfaces, so it complements rather than replaces the interface work. We set up the consent and registration steps with you as part of the project.

Native export (fallback)

Where the app exposes a user-facing statement or transaction export, we use it for backfill and reconciliation of historical records. It is a supplement, not a live feed.

Recommendation in plain terms: lead with authorized interface analysis because it is the only route that reaches all three core datasets at once, fold the regulated channel in for any account it covers, and keep native export as a backfill path. We make that call concrete on a real account during the build.

A worked example: reading balances and card activity

The shape below reflects how a wallet-and-card client like this typically authenticates and reads. Exact paths and field names are confirmed during the build against a consenting account; treat this as illustrative of the flow, not a published contract.

# Illustrative — exact paths/fields confirmed during the build

POST /v1/auth/login        { phone, password }      -> { otpRequired:true, txRef }
POST /v1/auth/verify-otp   { txRef, otp }           -> { accessToken, refreshToken, deviceId }

GET  /v1/wallets           Authorization: Bearer 
  -> [ { currency:"NGN",  available, ledger },
       { currency:"USDC", network:"", available } ]

GET  /v1/cards             Authorization: Bearer 
  -> [ { id, brand:"VISA", maskedPan:"•••• 1234",
         status:"active", currency:"USD", spendLimit } ]

GET  /v1/cards/{id}/transactions?cursor=
  -> { items:[ { ts, merchant, amount, currency, fxRate, state } ],
       nextCursor }

# 401 -> POST /v1/auth/refresh { refreshToken }  then replay the request once
# device-bound session: deviceId is carried so a run does not re-trigger OTP
      

The package you receive

Everything below is tied to the surfaces above, not a generic kit:

• An OpenAPI/Swagger specification covering the wallet, card, card-transaction and transfer endpoints as mapped on this app.
• A protocol and auth-flow report: the login → OTP → bearer/refresh chain, device binding, token lifetime, and how a long-running sync stays authenticated.
• Runnable source in Python and Node.js for the key reads — multi-currency balances, card list and state, card transactions with pagination, transfer status, stablecoin funding records.
• Automated tests run against a consenting account or sandbox arranged with you.
• Interface documentation a non-author engineer can pick up and extend.
• Data-retention and consent guidance written against the Nigeria Data Protection Act, including how card data is minimized.

Consent and the Nigerian regime that governs it

Two instruments apply directly. The Central Bank of Nigeria issued the Regulatory Framework and the Operational Guidelines for Open Banking in Nigeria, with a centralized Open Banking Registry and a hard requirement that providers obtain explicit, informed, voluntary consent before any customer data is shared; the CBN announced a phased go-live for the system. Separately, the Nigeria Data Protection Act 2023 — assented in June 2023, per the published Act, and supervised by the Nigeria Data Protection Commission — governs the personal data itself: consent must be freely given, specific and informed, the account holder can withdraw it as easily as it was given, and processing is held to data minimization. Pouchers operates a wallet-and-card program rather than a licensed deposit bank, so for surfaces the regulated channel does not cover, the work runs on authorized interface analysis under your authorization and the account holder's consent, with the Act still governing every record handled. We keep consent records and access logs, minimize what is pulled, and operate under NDA where the engagement needs one.

Things we plan for on this build

Concrete engineering judgments specific to Pouchers, all handled on our side:

• Stablecoin funding spans multiple networks. We model each network's confirmation behaviour so the funding ledger reconciles correctly and a deposit is never marked settled before its required confirmations.
• The app was rebuilt end to end and several multi-currency accounts are still rolling out. We version the integration and add feature detection so currencies or card types not yet live for a given user degrade gracefully instead of throwing.
• Card numbers are sensitive. The client keeps PAN and CVV out of logs and storage, returns masked values by default, and exposes the full number only through an explicit scoped call — the Act's minimization expectation, designed in.
• Sessions are device-bound with OTP refresh. We carry the device identity through the auth report so a scheduled sync survives without re-onboarding the user each run.

Where teams actually plug this in

• An accounting platform auto-importing card spend, FX applied, and category tags into ledgers for a freelancer or studio paying in dollars.
• A treasury dashboard aggregating Naira, stablecoin and multi-currency balances across a team's Pouchers cards in one view.
• A lender or counterparty running a consented proof-of-funds check against the stablecoin funding ledger and wallet balances.
• A reconciliation service matching incoming USDT/USDC deposits to expected invoices by on-chain reference.

How working with us is priced

The deliverable for Pouchers is a running client and its spec, not a slide deck. Source-code delivery starts at $300: you get the runnable source, the OpenAPI spec, the auth-flow report, tests and documentation, and you pay only after delivery once the integration is working to your satisfaction. The alternative is the hosted API — you call our endpoints for Pouchers data and pay per call, with no upfront fee. Either way the build cycle is one to two weeks. Tell us the app and what you need from its data and we scope it; access and compliance steps are arranged together as part of the work. Start the conversation at /contact.html.

What was checked, and when

In May 2026 we reviewed the Pouchers product pages and store listings for the feature and currency set, the CBN Operational Guidelines for Open Banking in Nigeria for the regulated channel, the Nigeria Data Protection Act 2023 for the consent and minimization rules, and a March 2026 founder interview for the stablecoin-rail and card detail. Primary sources opened:

• CBN — Operational Guidelines for Open Banking in Nigeria (PDF)
• Nigeria Data Protection Act, 2023 (official PDF)
• Technext — Pouchers CEO on cross-border payments (Mar 2026)
• Pouchers - Card & Payments, Apple App Store listing

Mapped by the OpenBanking Studio integration desk · May 2026.

The wider African wallet-and-card field

Same-category apps an integrator often sees alongside Pouchers — listed as ecosystem context, not ranking:

• Eversend — cross-border money app with multi-currency wallets and virtual dollar cards; holds balances and card transactions a unified layer would normalize against Pouchers.
• Geegpay — freelancer-focused USD virtual cards plus invoicing and multi-currency wallets; transaction and payout records overlap the same integration shape.
• Cardtonic — low-cost virtual dollar cards; per-card spend history is the comparable surface.
• Grey — virtual USD account and Mastercard for remote workers; foreign-inflow and card data parallel Pouchers' use case.
• Cardify Africa — stablecoin-funded wallets and cards for online subscriptions; USDT/USDC funding ledger maps closely to Pouchers' on-ramp.
• Bitnob — stablecoin wallets with local rails and card access; combined crypto-and-card records resemble the three-dataset structure here.
• Cleva — stablecoin-to-Naira conversion and USD accounts; balance and conversion history are the relevant domains.
• FluidCoins — crypto payment platform with stablecoin yield and virtual dollar cards; holds wallet and card datasets a shared schema would cover.
• KAST — stablecoin-powered global money app with cards; balance and card-transaction surfaces align with this integration model.

Screens we worked from

Questions integrators ask about Pouchers

Which Pouchers surfaces actually carry data worth syncing?

Three of them carry the weight: the multi-currency wallet (NGN plus the USD, EUR, GBP and CAD balances Pouchers is rolling out), the virtual-card layer (up to three cards per account per its Play and App Store listings, each with its own state and transaction stream), and the stablecoin funding ledger where USDT and USDC deposits land across several networks. Transfers and the expense-tracking categories sit on top of those. We map all of them and tell you which match your use case.

Does Nigeria's open banking go-live change how you reach Pouchers?

It changes the option set, not the plan. The Central Bank of Nigeria issued the Operational Guidelines for Open Banking in Nigeria in 2023 and announced a phased go-live; where a regulated, customer-permissioned channel is available for an account, we use it. Pouchers runs a wallet-and-card program rather than a deposit bank, so for the surfaces that channel does not cover, the route is authorized analysis of the app's own client-server interface under your authorization and the account holder's consent, with the Nigeria Data Protection Act 2023 governing the personal data either way.

How do you keep the virtual card numbers safe in what you build?

The client returns masked card values by default and keeps full PAN and CVV out of logs and local storage; the full number is only ever fetched through an explicit, scoped call when your use case genuinely needs it. That is the data-minimization posture the Nigeria Data Protection Act expects, and it is wired in from the first commit, not bolted on.

Pouchers recently re-engineered the whole app — does that break the integration?

It is the reason we version the integration. The release notes describe a full rebuild and a new premium card, and several multi-currency accounts are still mid-rollout, so the client ships with feature detection: currencies or card types that are not live for a given user degrade gracefully instead of erroring, and a re-validation step flags interface drift so a refresh is a small change, not a rewrite.