8. Access Layer / API Gateway

Purpose:

Exposes the protocol to end-users, developers, and apps via a unified, easy-touse API or SDK.

Responsibilities:

  • Abstract away DePIN complexity: One interface to access Helium, Filecoin, WeatherXM, etc.

  • Offer REST, GraphQL, and/or WebSocket endpoints.

  • Authenticate user wallets or app credentials.

  • Support developer integrations, SDKs, and usage analytics.

Developer Features:

  • Auto-discovery of resources by type and region

  • Unified service ordering (e.g., “allocate 10 GPUs in Europe”)

  • Usage metering and billing logs

  • Subscription and task management (e.g. sensor feeds, model training jobs)

SDK Target Languages:

  • JavaScript/TypeScript (Web apps, Node.js)

  • CLI’s

Summary Table

Component
Core Function

Registry

Catalog and manage DePIN networks and nodes

Gateway/Relay Layer

Translate and relay requests to/from external DePIN protocols

Resource Normalization Layer

Harmonize data formats, units, and pricing across different DePINs

Payment Router

Enable cross-token, cross-network payments through abstraction and conversion

Reputation Oracle

Track, verify, and score service quality and availability

Access Layer / API Gateway

Unified developer interface for querying, booking, and managing services

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