Research Snapshots & Publications
Independent, evolving research on financial APIs
Featured Report
Payments API Capability Snapshot (v0.3)
Where payment intelligence actually lives — routing, validation, metadata, and why most APIs hide it.
Payments Intelligence across 10 providers / 5 segments. Examines where routing, validation, and metadata actually live in the stack, why transactional APIs don't expose it, and decision guidance for choosing segments.
All Reports
Payments API Capability Snapshot (v0.3)
LatestWhere payment intelligence actually lives — routing, validation, metadata, and why most APIs hide it.
January 2025
Payments Intelligence across 10 providers / 5 segments. Examines where routing, validation, and metadata actually live in the stack, why transactional APIs don't expose it, and decision guidance.
Payments API Capability Snapshot (v0.2)
Developer Experience & Sandbox Depth — what you can realistically prototype before go-live.
January 2025
DX & Sandbox Depth across 10 providers / 5 segments. Examines capability classes, sandbox depth spectrum, segment patterns, and decision guidance.
Payments API Capability Snapshot (v0.1)
A segment-aware overview of how payment APIs differ in structure, access, and intent.
January 2025
Analysis of 10 providers across 5 segments with segment-specific tier methodology. Covers card schemes, PSPs, cross-border platforms, and infrastructure providers.
Open Banking API Landscape
Coming SoonTBA
Comprehensive analysis of Open Banking providers including PSD2, Open Banking UK, TrueLayer, Yapily, and more.
BaaS Provider Capability Snapshot
Coming SoonTBA
Evaluation of Banking-as-a-Service providers including Solaris, ClearBank, Treasury Prime, and others.
PSP Developer Experience Scoring Report
Coming SoonTBA
Deep dive into developer experience metrics across major PSPs: documentation quality, SDK availability, sandbox fidelity, and API design.
About API Radar Reports
API Radar publishes periodic research snapshots that provide neutral, methodology-first analysis of the financial API landscape. Each report uses segment-specific tier models to ensure fair, category-appropriate comparisons.
All reports are free during early access. PDF downloads are available for offline reading and sharing.