Fidel API
Financial data APIs
Financial services software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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What is Fidel API
Fidel API is a developer-focused financial data API that links payment cards to merchants and transactions to enable card-linked offers, loyalty, and transaction-based insights. It is used by fintechs, loyalty platforms, and brands that need to detect eligible card purchases and trigger rewards or events. The product centers on card-linking flows, merchant/transaction matching, and webhooks for real-time program logic. It typically operates as an infrastructure component embedded into a broader rewards, engagement, or financial services application.
Purpose-built card-linking workflows
The platform focuses on linking payment cards to end-user profiles and using that linkage to identify qualifying purchases. This is well-suited to card-linked offers, loyalty, and rewards use cases where transaction eligibility matters. It reduces the need to build bespoke card-linking and purchase-detection logic from scratch. The API-first approach fits teams that want to embed these capabilities into existing apps.
Event-driven integration model
Fidel API commonly supports webhook-based notifications so applications can react to detected transactions and program events. This pattern helps teams implement near-real-time reward issuance, messaging, or fraud checks. It aligns with modern backend architectures that rely on asynchronous processing. It can simplify operational workflows compared with polling-based integrations.
Merchant and transaction matching
The product is designed around identifying transactions and mapping them to merchants or merchant locations for program rules. This supports use cases like merchant-funded offers, partner rewards, and spend-based triggers. It can help standardize merchant identification logic across multiple programs. For teams building loyalty infrastructure, this can be a core building block.
Narrower scope than payments stacks
Fidel API is not a full payments processing or payout platform, so many implementations still require separate providers for onboarding, settlement, and money movement. Buyers looking for an end-to-end financial services stack may need multiple vendors. This increases integration and vendor-management complexity. The product fits best when card-linked detection is the primary requirement.
Coverage varies by region
Card-linking and transaction detection capabilities can depend on supported geographies, issuers, and network arrangements. Organizations operating in multiple countries may need to validate coverage and performance market by market. This can affect rollout timelines and program consistency. Due diligence is typically required before committing to a global deployment.
Compliance and consent overhead
Linking cards and processing transaction data requires strong consent flows, privacy controls, and security practices within the buyer’s application. Implementation often involves legal review, data retention decisions, and customer support processes for unlinking or disputes. These requirements can add time beyond the pure API integration. Teams in regulated environments may face additional internal approvals.
Seller details
Fidel API Limited
London, United Kingdom
2018
Private
https://fidel.uk/
https://x.com/fidelapi
https://www.linkedin.com/company/fidelapi/
