Kaiko

Kaiko is an institutional-grade crypto market data provider. Its product line spans Kaiko REST (historical and reference data), Kaiko Stream (real-time WebSocket and gRPC), Cloud Delivery (S3 and Snowflake direct shares), Kaiko On-chain, and Kaiko Indices (regulated benchmark indices). Authentication uses API keys; access is sales-led.

Kaiko publishes 4 APIs on the APIs.io network, including Canton Oracle API, Index Reference Data API, Indices API, and 1 more. Tagged areas include Web3, Crypto, Market Data, Institutional, and FX.

Kaiko’s developer surface includes authentication, developer portal, documentation, changelog, pricing, engineering blog, support, and 28 more developer resources.

🌐 Visit website 📡 Source on GitHub

61.4/100 strong ▬ flat Agent 38/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessEnterpriseSelf serve

8 APIs 1 MCP Servers

Web3CryptoMarket DataInstitutionalFXIndicesOn-ChainStreaming

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 61.4/100 · strong

Contract Quality 14.6 / 25

Developer Ergonomics 13.4 / 20

Commercial Clarity 15.3 / 20

Operational Transparency 7.5 / 13

Governance 2.5 / 12

Discoverability 8.3 / 10

Agent readiness — 38/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/kaiko: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 8

Individual APIs this provider publishes, each with its own machine-readable definition.

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Rate Limits 1

Documented rate limits and quota policies.

Kaiko Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Portal

Portal

GettingStarted

GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

LLMsTxt

LlmsText

MCPServer

AgentSkill

Design & Contract 4

Pagination, idempotency, versioning, errors, and events

Conformance

ErrorCatalog

Lifecycle

Conventions

Build 5

SDKs, sample code, and the tooling you integrate with

PostmanWorkspace

PostmanWorkspace

GitHubOrganization

Packages

SDKs

Postman

Access & Security 4

Authentication, authorization, and security posture

DomainSecurity

Authentication

Compliance

TrustCenter

Operate 4

Status, limits, changes, and where to get help

RateLimits

StatusPage

ChangeLog

Support

Commercial 5

Pricing, plans, and the legal terms of use

Plans

FinOps

Pricing

TermsOfService

PrivacyPolicy

Company 2

The organization behind the API

LinkedIn

Blog

Blog

Other 2

Properties that don't map to a standard resource type

Protobuf

Protobuf

Review

Review

Source (apis.yml)

aid: kaiko
url: https://raw.githubusercontent.com/api-evangelist/kaiko/refs/heads/main/apis.yml
name: Kaiko
kind: company
accessModel:
  pricing: enterprise
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Enterprise · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/kaiko.png
tags:
- Web3
- Crypto
- Market Data
- Institutional
- FX
- Indices
- On-Chain
- Streaming
created: '2026-05-08'
modified: '2026-07-22'
specificationVersion: '0.19'
description: Kaiko is an institutional-grade crypto market data provider. Its product line spans Kaiko REST (historical and
  reference data), Kaiko Stream (real-time WebSocket and gRPC), Cloud Delivery (S3 and Snowflake direct shares), Kaiko On-chain,
  and Kaiko Indices (regulated benchmark indices). Authentication uses API keys; access is sales-led.
apis:
- aid: kaiko:rest-api
  name: Kaiko REST API
  tags:
  - Crypto
  - Market Data
  - Reference Data
  - Historical
  - Institutional
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://us.market-api.kaiko.io/v2
  humanURL: https://docs.kaiko.com/
  description: REST endpoints for trades, order books, OHLCV, market reference, trade flows, FX rates, and derivatives across
    100+ exchanges. Historical depth back to 2014. Authentication via X-Api-Key header.
  properties:
  - type: Documentation
    url: https://docs.kaiko.com/
  x-features:
  - Trades, OHLCV, order books
  - 100+ exchanges
  - History back to 2014
  - Cross-region endpoints (US, EU)
  x-use-cases:
  - Institutional trading research
  - Compliance and surveillance
  - NAV calculation for crypto funds
- aid: kaiko:stream
  name: Kaiko Stream
  tags:
  - Streaming
  - Real-time
  - gRPC
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.kaiko.com/stream/general/introduction
  description: Real-time crypto market data delivered over gRPC server-streaming. Feeds include tick-level trades, top-of-book
    (best bid/ask), level-2 order book updates, level-1 aggregations (OHLCV, VWAP), derivatives reference data, and analytics
    (Best Execution, Fair Market Value, Derivatives Risk Indicators). Transport is gRPC only; Kaiko does not publish a WebSocket
    interface (see review.yml).
  properties:
  - type: Documentation
    url: https://docs.kaiko.com/stream/general/introduction
  - type: SDKs
    url: https://github.com/kaikodata/kaiko-sdk-examples
  - type: Review
    url: review.yml
  x-features:
  - gRPC server-streaming Subscribe RPCs
  - Trade, top-of-book, level-2, OHLCV, VWAP feeds
  - Derivatives reference data and risk indicators
  - SDKs in Python, Go, Java, Node, C++, C#, Rust, Scala
  x-use-cases:
  - Live trading systems
  - Latency-sensitive analytics
  - Fair market value and best execution
- aid: kaiko:on-chain-api
  name: Kaiko On-chain API
  tags:
  - On-Chain
  - DEX
  - Liquidity
  - Multi-chain
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://us.market-api.kaiko.io/v2/data/onchain
  humanURL: https://docs.kaiko.com/onchain/overview
  description: On-chain metrics including DEX trades, liquidity, lending markets, and MEV signals across major chains.
  properties:
  - type: Documentation
    url: https://docs.kaiko.com/onchain/overview
  x-features:
  - DEX trade and liquidity data
  - Lending market metrics
  - MEV signals
  x-use-cases:
  - Cross-CEX/DEX research
  - DeFi compliance
- aid: kaiko:indices
  name: Kaiko Indices
  tags:
  - Indices
  - Benchmark
  - Regulated
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://us.market-api.kaiko.io/v2/data/index.v1
  humanURL: https://www.kaiko.com/products/indices
  description: Regulated benchmark crypto indices designed for fund administrators and ETF/ETP issuers.
  properties:
  - type: Documentation
    url: https://www.kaiko.com/products/indices
  x-features:
  - Regulated benchmarks
  - Single-asset and basket indices
  - Fixings for NAV
  x-use-cases:
  - Crypto ETF/ETP NAV
  - Fund administrator NAV
- aid: kaiko:kaiko-canton-oracle-api
  name: Kaiko Canton Oracle API
  description: Canton oracle pricing endpoints.
  humanURL: https://docs.kaiko.com/
  baseURL: https://us.market-api.kaiko.io/v2
  tags:
  - Canton Oracle
  properties:
  - type: OpenAPI
    url: openapi/kaiko-canton-oracle-api-openapi.yml
  - type: Overlay
    url: overlays/kaiko-canton-oracle-api-overlay.yaml
- aid: kaiko:kaiko-index-reference-data-api
  name: Kaiko Index Reference Data API
  description: Reference-rate data for Kaiko indices.
  humanURL: https://docs.kaiko.com/
  baseURL: https://us.market-api.kaiko.io/v2
  tags:
  - Index Reference Data
  properties:
  - type: OpenAPI
    url: openapi/kaiko-index-reference-data-api-openapi.yml
  - type: Overlay
    url: overlays/kaiko-index-reference-data-api-overlay.yaml
- aid: kaiko:kaiko-indices-api
  name: Kaiko Indices API
  description: Index composition and replication data.
  humanURL: https://docs.kaiko.com/
  baseURL: https://us.market-api.kaiko.io/v2
  tags:
  - Indices
  properties:
  - type: OpenAPI
    url: openapi/kaiko-indices-api-openapi.yml
  - type: Overlay
    url: overlays/kaiko-indices-api-overlay.yaml
- aid: kaiko:kaiko-supply-api
  name: Kaiko Supply API
  description: Asset supply and market-capitalization rankings.
  humanURL: https://docs.kaiko.com/
  baseURL: https://us.market-api.kaiko.io/v2
  tags:
  - Supply
  properties:
  - type: OpenAPI
    url: openapi/kaiko-supply-api-openapi.yml
  - type: Overlay
    url: overlays/kaiko-supply-api-overlay.yaml
common:
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/kaiko/overview
- type: AgenticAccess
  url: agentic-access/kaiko-agentic-access.yml
- type: DomainSecurity
  url: security/kaiko-domain-security.yml
- type: Authentication
  url: authentication/kaiko-authentication.yml
- type: GitHubOrganization
  url: https://github.com/kaikodata
- type: LinkedIn
  url: https://www.linkedin.com/company/kaikodata
- type: Portal
  url: https://www.kaiko.com/
- type: Documentation
  url: https://docs.kaiko.com/
- type: Plans
  url: plans/kaiko-plans-pricing.yml
- type: RateLimits
  url: rate-limits/kaiko-rate-limits.yml
- type: FinOps
  url: finops/kaiko-finops.yml
- type: LLMsTxt
  url: llms/kaiko-llms.txt
- type: LlmsText
  url: https://docs.kaiko.com/llms.txt
- type: Packages
  url: packages/kaiko-packages.yml
- type: SDKs
  url: packages/kaiko-packages.yml
- type: Protobuf
  url: grpc/kaiko-equities.proto
- type: MCPServer
  url: mcp/kaiko-mcp.yml
- type: Conformance
  url: conformance/kaiko-conformance.yml
- type: Compliance
  url: https://www.kaiko.com/compliance
- type: TrustCenter
  url: security/kaiko-trust-center.yml
- type: ErrorCatalog
  url: errors/kaiko-problem-types.yml
- type: Lifecycle
  url: lifecycle/kaiko-lifecycle.yml
- type: StatusPage
  url: https://status.kaiko.com/
- type: Conventions
  url: conventions/kaiko-conventions.yml
- type: ChangeLog
  url: changelog/kaiko-changelog.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Postman
  url: collections/kaiko.postman_collection.json
- type: Pricing
  url: https://www.kaiko.com/about-kaiko/pricing-and-contracts
- type: TermsOfService
  url: https://www.kaiko.com/terms
- type: PrivacyPolicy
  url: https://marketing.kaiko.com/hubfs/Website%20documents/Kaiko%20-%20Privacy%20Policy%20(v.1.0).pdf
- type: Blog
  url: https://www.kaiko.com/resources/categories/data-blog
- type: Support
  url: https://www.kaiko.com/contact-kaiko
- type: GettingStarted
  url: https://docs.kaiko.com/rest-api/general/getting-started
- type: APIReference
  url: https://docs.kaiko.com/rest-api/general/introduction
- type: Review
  url: review.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com