# SpruceID

**Canonical:** https://apis.io/providers/spruceid/  
**Website:** https://spruceid.com  
**APIs profiled:** 10

SpruceID is a decentralized identity company providing open-source tools and infrastructure for governments and enterprises to issue, verify, and manage digital identity credentials. Their platform supports W3C Verifiable Credentials, Decentralized Identifiers (DIDs), OpenID for Verifiable Credential Issuance (OID4VCI), OpenID for Verifiable Presentations (OID4VP), Sign-In with Ethereum (SIWE), and ISO/IEC 18013-5 mobile driver's licenses (mDL). SpruceID's SpruceKit toolkit enables developers to build wallet apps, credential issuers, and verifier integrations using standards-based identity protocols.

## Kin Score — 18.7 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 18.7).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 47.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 7.1 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Government & Public Sector**: 11.1 (matched via tags).

## Agent readiness — 27.4 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (10)

- **SpruceID Sign-In with Ethereum (SIWE) API** — Sign-In with Ethereum (SIWE) enables Ethereum accounts to authenticate with off-chain services by signing a standardized message format (EIP-4361). SpruceID's SIWE library provi...
- **SpruceID SSI Core Library API** — The SpruceID SSI (Self-Sovereign Identity) core library provides a comprehensive Rust API for signing, issuing, and verifying W3C Verifiable Credentials and JSON Web Tokens. It ...
- **SpruceID OID4VCI Credential Issuance API** — SpruceID's OID4VCI (OpenID for Verifiable Credential Issuance) Rust library implements the OpenID4VC credential issuance protocol, enabling credential issuers to deliver W3C Ver...
- **SpruceID OID4VP Verifiable Presentations API** — SpruceID's OID4VP (OpenID for Verifiable Presentations) Rust library implements the OpenID4VC credential presentation protocol, enabling verifier applications to request and rec...
- **SpruceID isomdl Mobile Driver's License API** — SpruceID's isomdl library provides a Rust implementation of the ISO/IEC 18013-5 standard for mobile driver's licenses (mDL). It enables issuers to create standards-compliant mDL...
- **SpruceID Credentials API** — Issue and verify W3C Verifiable Credentials using the VC API specification. Supports both legacy (/issue/credentials, /verify/credentials) and current (/credentials/issue, /cred...
- **SpruceID Health API** — Health check endpoints
- **SpruceID Identifiers API** — DID resolution implementing the W3C DID Resolution HTTP binding.
- **SpruceID Presentations API** — Issue and verify W3C Verifiable Presentations. Supports both legacy (/issue/presentations, /verify/presentations) and current (/presentations/issue, /presentations/verify) path ...
- **SpruceID Status API** — Bitstring Status List credential endpoint for credential revocation status.

## Agentic access (1)

- **Spruceid Agentic Access** — 11 operations · 8 acting

## Security (1)

- **Spruceid Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Decentralized Identity, Verifiable Credentials, DIDs, Sign-In with Ethereum, Identity Wallet, Government, OpenID Connect, W3C Standards

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/spruceid/). Scores are computed from the provider's own public artifacts under a published rubric.