v1.0 — Current
Everything listed here is live and available to use today on Polygon Amoy and Ethereum Sepolia.Credit Dashboard API
Single-call endpoint returning trust ratio, tier, and APR for any wallet.
Reputation API
Granular reputation data including on-chain score and behavioral signals.
APR Calculation
Real-time APR in basis points, derived from a wallet’s credit tier.
Trust Tier Scoring
Five-tier (A–E) credit classification mapped from the 0–10,000 trust ratio.
Loan History
Full on-chain loan history for any wallet, including repayment outcomes.
JavaScript SDK
TypeScript-first SDK with React and Next.js integration support.
Python SDK
Python 3.8+ SDK with FastAPI and Flask integration support.
Amoy + Sepolia Testnet
Deployed and verified contracts on Polygon Amoy and Ethereum Sepolia.
v1.1 — Planned
v1.1 brings mainnet support and infrastructure improvements for production-grade applications.- Polygon mainnet — Deploy and interact with BlackSwan contracts on Polygon PoS mainnet
- Ethereum mainnet — Mainnet deployment on Ethereum L1
- Optimism and Arbitrum support — Expand to leading Ethereum L2 networks
- Webhook notifications — Subscribe to on-chain events (repayments, defaults, new loans) via HTTP webhooks
- Rate limit headers —
X-RateLimit-Limit,X-RateLimit-Remaining, andRetry-Afterheaders on all REST responses
v2.0 — Planned
v2.0 focuses on developer experience, scale, and cross-chain capabilities.- Production API keys — Managed API keys with per-key rate limits and usage analytics
- Advanced analytics — Cohort analysis, portfolio-level credit metrics, and trend data
- Bulk wallet queries — Submit a list of wallet addresses and receive credit profiles in a single request
- GraphQL API — Flexible querying of credit data with field selection and nested resolves
- Cross-chain reputation — Unified trust ratio that aggregates behavior across all supported networks
Roadmap timelines are estimates and subject to change. Follow @BlackSwanFi on Twitter for real-time announcements, release previews, and community updates.