stale · 0.3 marketcapability domainschema

Zero Knowledge

Score 16.8 / 100 15 providers 2 APIs Search apis.io →
Variants seen in the corpus: Zero KnowledgeZero-Knowledge

Providers using this tag (15)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Developing 4 Usable, with meaningful gaps to close
LighterCompanyTradingCryptocurrencyDecentralized Finance1 API53.8Nym TechnologiesCompanyPrivacyVPNMixnet2 APIs50.5ZircuitCompanyCryptoBlockchainLayer 21 API44.2AleoCompanyBlockchainZero-KnowledgeCryptography1 API42.6
Thin 7 Limited public surface area
ScrollzkEVMLayer 2EthereumRollup1 API33.6MinaCompanyCryptoBlockchainZero-Knowledge1 API31.3World (Worldcoin)Proof of PersonhoodIdentityWorld IDMini Apps6 APIs30.3zkMeCompanyCrypto Web3IdentityKYC1 API28.3Demox LabsCompanyBlockchainCryptocurrency1 API28.2Iron FishBlockchainCryptocurrencyPrivacy1 API27.4o1 LabsCompanyCrypto InfrastructureBlockchain26.8
Emerging 4 Early or largely undocumented
Keeper SecurityCompanyCybersecuritySecrets ManagementPassword Manager25.4AztecCompanyBlockchainPrivacyZero-Knowledge23.6Alpen LabsCompanyCryptoBitcoinBlockchain1 API23.4Manta NetworkCompanyLayer 2BlockchainEthereum2 APIs21.8

APIs with this tag (2)

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 →

Thin 2 Limited public surface area
World IDAnonymous proof-of-human credential. Users prove uniqueness via Orb (highest assurance), government documen...30.3Aleo RPC APIFree public JSON-RPC 2.0 API for reading the Aleo zero-knowledge blockchain — latest blocks and heights, tr...28.2

Score breakdown

Frequency
33.7
log-scaled weighted occurrences
Breadth
0.4
spread across providers
Quality lift
39.6
mean composite of providers using it
Cohesion
2.4
strength of nearest seed neighbor

Related tags

EVM 5 co-occurrences JSON-RPC 5 co-occurrences Privacy 5 co-occurrences Web3 11 co-occurrences Blockchain 12 co-occurrences Cryptocurrency 5 co-occurrences Company 12 co-occurrences

Where this tag comes from

Provider tag14
Api tag2

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This tag 
curl "https://apis.io/api/v1/tags/zero-knowledge"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/zero-knowledge"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/zero-knowledge/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.