niche · 0.0 capability resource

Relay

Score 17.6 / 100 3 providers +13 via APIs 15 APIs Search apis.io →
Variants seen in the corpus: RelaysRelay

Providers using this tag (3)

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

Thin 3 Limited public surface area
FlashbotsMEVEthereumBlockchainJSON-RPC1 API37.1LinkAGI Model APIArtificial IntelligenceLLMAI API Gateway1 API35.7NostrNostrDecentralized SocialOpen Protocol4 APIs30.5

APIs with this tag (15)

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 →

Exemplar 2 Complete, well-documented, and agent-ready
SignalWire Calling API (JSON-RPC)An OpenRPC 1.3.2 contract for real-time control of live calls over RELAY — 8 methods (calling.dial, calling...68.9Cracked API Relay APIThe Relay API from Cracked API — 4 operation(s) for relay.67.2
Strong 3 Solid coverage with minor gaps
Tenable Relay APIConfigure relays that make AD queries for Ceti66.1Parsec Relay APIThe Relay API from Parsec — 2 operation(s) for relay.59.0Pocket Network Relays APIJSON-RPC, REST, and WebSocket relays proxied to Shannon suppliers57.3
Developing 3 Usable, with meaningful gaps to close
AT Protocol Relay & FirehoseThe Relay aggregates the com.atproto.sync.subscribeRepos firehose across PDS hosts and re-broadcasts the co...47.5Infisical Relays APIThe Relays API from Infisical — 1 operation(s) for relays.45.4Enso relay APIThe relay API from Enso — 1 operation(s) for relay.42.9
Thin 5 Limited public surface area
MEV-Boost RelayPublic Flashbots-operated relay used by MEV-Boost middleware. Aggregates blocks from many builders and pres...37.1Edgegap Relays APIDistributed relay sessions and per-user authorization.35.4Vault12 Zax Cryptographic Relay APIOpen-source NaCl-based cryptographic relay operated as asynchronous "dead drops" for end-to-end-encrypted d...34.9WalletConnect Relay (SDK-mediated)WalletConnect v2 relay network for end-to-end encrypted JSON-RPC pairing between dApps and wallets. Accesse...32.3Nostr Relay WebSocket InterfaceA Nostr relay is a WebSocket server that accepts signed events, stores them subject to its own policy, and ...30.5
Emerging 2 Early or largely undocumented
Caisy APIReal-time GraphQL content API for querying and mutating content stored in Caisy projects. Supports filterin...23.2EigenDA Relay APIgRPC service exposing GetBlob, GetChunks, and GetValidatorChunks against blobs stored by the relay layer. R...20.3

Companies reaching this through an API (13)

These companies publish an API, specification or operation carrying “Relay” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

AT Protocol Caisy Cracked API Edgegap EigenDA Enso Infisical Parsec Pocket Network Reown SignalWire Tenable Vault12

Score breakdown

Frequency
38.3
log-scaled weighted occurrences
Breadth
0.1
spread across providers
Quality lift
39.0
mean composite of providers using it
Cohesion
1.4
strength of nearest seed neighbor

Related tags

Wallets 5 co-occurrences Application 5 co-occurrences Company 5 co-occurrences

Where this tag comes from

Api tag15
Provider tag3
Openapi tag7
Openapi op tag17

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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

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

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