Cryptography
Variants seen in the corpus:
Cryptographycryptography
Providers using this tag (50)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Strong 3 Solid coverage with minor gaps
Developing 12 Usable, with meaningful gaps to close
Thin 16 Limited public surface area
Emerging 13 Early or largely undocumented
Minimal 6 Almost no public developer surface
APIs with this tag (14)
Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →
Developing 7 Usable, with meaningful gaps to close
AQtive Guard APIAQtive Guard is SandboxAQ's cryptography and non-human-identity management platform, built on the Cryptosen...Askar APIAskar is a secure storage backend for digital wallets that manages cryptographic keys, secrets, and credent...SD-JWT LibrariesOpenWallet Foundation maintains Selective Disclosure for JSON Web Tokens (SD-JWT) libraries across multiple...Dapr Cryptography APICryptographic operations.Signal libsignal SDKThe libsignal SDK provides platform-agnostic APIs used by the official Signal clients and server. It implem...Signal Protocol SpecificationsThe Signal Protocol Specifications define the core cryptographic protocols that underpin Signal's end-to-en...Amazon CloudHSM APIAPI for creating and managing CloudHSM clusters and HSM instances for dedicated hardware-based cryptographi...
Thin 3 Limited public surface area
Vault12 Zax Cryptographic Relay APIOpen-source NaCl-based cryptographic relay operated as asynchronous "dead drops" for end-to-end-encrypted d...Apache Shiro Cryptography APIThe Cryptography API from Apache Shiro — 1 operation(s) for cryptography.Barclays Cryptography Key Exchange APISecure cryptographic key exchange for encrypted API communication with Barclays.
Emerging 4 Early or largely undocumented
Axiado SecureStack ADKThe SecureStack Application Development Kit is Axiado's public API for building secure applications on the ...Keybase APIKeybase public HTTP JSON API (v1.0). Read-oriented endpoints for user lookup and discovery by social proof,...Quantum OriginQuantum Origin is Quantinuum's verifiable quantum random number generation service, delivering cryptographi...SpruceID SSI Core Library APIThe SpruceID SSI (Self-Sovereign Identity) core library provides a comprehensive Rust API for signing, issu...
Score breakdown
Frequency
49.3
log-scaled weighted occurrences
Breadth
1.4
spread across providers
Quality lift
36.3
mean composite of providers using it
Cohesion
4.6
strength of nearest seed neighbor
Related tags
Key Management 10 co-occurrences
Encryption 13 co-occurrences
Zero-Knowledge Proofs 7 co-occurrences
Certificates 6 co-occurrences
Privacy 11 co-occurrences
Smart Contracts 8 co-occurrences
Ethereum 9 co-occurrences
Blockchain 21 co-occurrences
Where this tag comes from
Provider tag45
Api tag16
Openapi tag2
Openapi op tag3
Cohort brief
Auto-generatedThe 50 providers in the APIs.io catalog tagged Cryptography, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.
Providers
50
all scored
Mean Kin Score
30.2
+9.5 vs catalog 20.7
Mean Agent Readiness
12.8
+3.1 vs catalog 9.7
Spread
5.5–61.1
median 30.4 · σ 14
How the 50 split by band
Exemplar 0Strong 2Developing 11Thin 16Emerging 16Minimal 5
Facet averages, against the whole catalog
| Facet | This cohort | Catalog | Difference | Scored |
|---|---|---|---|---|
| Developer Ergonomics | 43.9 | 17.9 | +26 | 50 |
| Contract Quality | 26.6 | 17.5 | +9.1 | 50 |
| Discoverability | 67.8 | 60.4 | +7.4 | 50 |
| Contract Governance | 12.6 | 6.4 | +6.2 | 50 |
| Operational Transparency | 16.9 | 11.3 | +5.6 | 50 |
| Access Clarity | 20.9 | 22.3 | -1.4 | 50 |
A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.
What this cohort publishes
| Artifact | This cohort | Catalog | Difference |
|---|---|---|---|
| MCP server (any) | 28% | 16% | +12 |
| MCP server (first-party) | 10% | 7% | +3 |
| Agent Skills | 0% | 0% | 0 |
| OAuth scopes | 8% | 9% | -1 |
| Security | 100% | 88% | +12 |
| Arazzo workflows | 2% | 2% | 0 |
| Governance rules | 24% | 13% | +11 |
mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.
Top by Kin Score
- 1 Amazon KMS 61.1
- 2 IronCore Labs 56.4
- 3 Amazon Payment Cryptography 53.6
- 4 Azure Key Vault 53.4
- 5 Nym Technologies 51.2
- 6 SandboxAQ 49.1
- 7 Google Cloud KMS 46.9
- 8 Syndicate 46.8
- 9 Fortanix 45.4
- 10 Aleo 44.6
Top by Agent Readiness
- 1 Seismic Systems 36.7
- 2 Syndicate 34.9
- 3 ProofDraw 31.5
- 4 SandboxAQ 28.1
- 5 BlindInsight 27.9
- 6 IronCore Labs 26.8
- 7 Amazon Payment Cryptography 24.8
- 8 Google Cloud KMS 24.8
- 9 Starkware 23.8
- 10 Aleo 23.6
All 50 members of this roster resolve to a scored provider in
the catalog.Generated from the catalog build of
25 August 2026, across 26891
providers, using the same computation served by the
APIs.io cohort API. Briefs are published for rosters of
5 or more scored providers; below that a distribution is not meaningful.
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.