kryptos-io

Kryptos provides a Crypto Tax, Portfolio Tracker and Finance API that connects to over 5,000 integrations across exchanges, wallets, and blockchains. It enables developers to pull holdings, transactions, DeFi, NFT and tax data through a unified endpoint, serving individuals, enterprises, and developers.

kryptos-io is listed with 6 APIs on the APIs.io network, including api API, authentication API, core API, and 3 more. Tagged areas include Crypto, Finance, API, Portfolio, and Tax.

The kryptos-io catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

kryptos-io’s developer surface includes authentication, support, signup flow, changelog, getting-started guide, documentation, engineering blog, and 24 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

61.9/100 strong Agent 28/100 agent aware Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

6 APIs

CryptoFinanceAPIPortfolio Tax

Kin Score

Kin Score How this is scored →
scored 2026-10-31 · rubric v0.25.0

Composite quality — 61.9/100 · strong

Contract Quality 11.3 / 21

Developer Ergonomics 10.9 / 17

Access Clarity 10.3 / 17

Operational Transparency 3.5 / 11

Contract Governance 8.1 / 10

Discoverability 5.5 / 9

Regulatory Posture 5.9 / 15

Agent readiness — 28/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 4 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented)
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document

7 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 53.3 — up to +11.7 composite points
Operational Transparency scores 31.6 — up to +8.9 composite points
Access Clarity scores 60.5 — up to +7.9 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/kryptos-io/apis.yml: open an issue on github.com/api-evangelist/kryptos-io to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 6

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

Kryptos API

Kryptos provides a Crypto Tax, Portfolio Tracker & Finance API that connects to over 5,000 integrations across exchanges, wallets, and blockchains.

kryptos-io api API

kryptos-io api API as documented publicly: 49 operations. Contract generated from the documentation by API Evangelist (2026-10-30); not the provider's own document.

kryptos-io authentication API

kryptos-io authentication API as documented publicly: 4 operations. Contract generated from the documentation by API Evangelist (2026-10-30); not the provider's own document.

kryptos-io core API

kryptos-io core API as documented publicly: 3 operations. Contract generated from the documentation by API Evangelist (2026-10-30); not the provider's own document.

kryptos-io kryptos connect API

kryptos-io kryptos connect API as documented publicly: 7 operations. Contract generated from the documentation by API Evangelist (2026-10-30); not the provider's own document.

kryptos-io reference API

kryptos-io reference API as documented publicly: 5 operations. Contract generated from the documentation by API Evangelist (2026-10-30); not the provider's own document.

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Kryptos Io Context

54 classes · 154 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

kryptos-io API Rules

12 rules · 10 errors 1 warnings 1 info

SPECTRAL

OAuth scopes governing access to this provider's APIs.

Kryptos Io Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Resources

Get Started 3

Portal, sign-up, and the first successful call

SignUp

SignUp

GettingStarted

GettingStarted

DeveloperPortal

DeveloperPortal

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

WellKnown

WellKnown

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

DataModel

ErrorCatalog

Conformance

Build 3

SDKs, sample code, and the tooling you integrate with

SDKs

SDKs

Packages

Packages

GitHubOrganization

GitHubOrganization

Access & Security 5

Authentication, authorization, and security posture

Compliance

Authentication

SecurityTxt

TrustCenter

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support

Support

ChangeLog

ChangeLog

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Pricing

Pricing

Company 3

The organization behind the API

Newsroom

Newsroom

Website

Website

Blog

Blog

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: kryptos-io
name: kryptos-io
description: Kryptos provides a Crypto Tax, Portfolio Tracker and Finance API that connects to over 5,000 integrations across
  exchanges, wallets, and blockchains. It enables developers to pull holdings, transactions, DeFi, NFT and tax data through
  a unified endpoint, serving individuals, enterprises, and developers.
url: https://artifacts.apis.io/kryptos-io/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-30 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-30'
modified: '2026-10-30'
tags:
- Crypto
- Finance
- API
- Portfolio
- Tax
image: https://cdn.sanity.io/images/69b8yewa/production/be302a2ed72e23acfcedc055c2b46c37ff2d79b8-1200x630.png?auto=format
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Spectral
  url: rules/kryptos-io-rules.yml
- type: JSONLD
  url: json-ld/kryptos-io-context.jsonld
- type: Vocabulary
  url: vocabulary/kryptos-io-vocabulary.yml
- type: DataModel
  url: data-model/kryptos-io-data-model.yml
- type: Compliance
  url: https://kryptos.io/
- type: Authentication
  url: authentication/kryptos-io-authentication.yml
- type: ErrorCatalog
  url: errors/kryptos-io-problem-types.yml
- type: Conformance
  url: conformance/kryptos-io-conformance.yml
- type: LLMsTxt
  url: llms/kryptos-io-llms.txt
- type: SecurityTxt
  url: well-known/kryptos-io-help-security.txt
- type: WellKnown
  url: well-known/kryptos-io-well-known.yml
- type: Hosts
  url: hosts/kryptos-io-hosts.yml
- type: Vendors
  url: vendors/kryptos-io-vendors.yml
- type: SDKs
  url: packages/kryptos-io-packages.yml
- type: Packages
  url: packages/kryptos-io-packages.yml
- type: TermsOfService
  url: https://kryptos.io/terms-of-services
- type: Support
  url: https://help.kryptos.io/en/
- type: SignUp
  url: https://app.kryptos.io/signup
- type: PrivacyPolicy
  url: https://kryptos.io/privacy-policy
- type: Newsroom
  url: https://kryptos.io/blog-categories/press
- type: ChangeLog
  url: https://docs.kryptos.io/docs/changelog
- type: GettingStarted
  url: https://kryptos.io/guides/carf-self-certification-tin-validation-onboarding
- type: TrustCenter
  url: security/kryptos-io-trust-center.yml
- type: DomainSecurity
  url: security/kryptos-io-domain-security.yml
- type: Website
  url: https://kryptos.io/
- type: Documentation
  url: https://docs.kryptos.io/
- type: DeveloperPortal
  url: https://dashboard.kryptos.io/
- type: Blog
  url: https://kryptos.io/blog
- type: GitHubOrganization
  url: https://github.com/Kryptoskatt
- type: Pricing
  url: https://kryptos.io/pricing
- type: APIReference
  url: https://docs.kryptos.io/docs/api/overview
apis:
- name: Kryptos API
  description: Kryptos provides a Crypto Tax, Portfolio Tracker & Finance API that connects to over 5,000 integrations across
    exchanges, wallets, and blockchains.
  humanURL: https://docs.kryptos.io/docs/reference/types
  aid: kryptos-io:kryptos-api
- aid: kryptos-io:api-api
  name: kryptos-io api API
  description: 'kryptos-io api API as documented publicly: 49 operations. Contract generated from the documentation by API
    Evangelist (2026-10-30); not the provider''s own document.'
  humanURL: https://docs.kryptos.io/docs/api
  baseURL: https://api-v2.kryptos.io
  properties:
  - type: OpenAPI
    url: openapi/_ae-authored/kryptos-io-api-openapi-generated.yml
    x-provenance: generated
  - type: JSONSchema
    url: json-schema/kryptos-io-get-v1-transactions-id-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-get-v1-transactions-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-get-v1-integrations-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-get-v1-providers-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-get-v1-defi-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-get-v1-ledgers-response-schema.json
- aid: kryptos-io:authentication-api
  name: kryptos-io authentication API
  description: 'kryptos-io authentication API as documented publicly: 4 operations. Contract generated from the documentation
    by API Evangelist (2026-10-30); not the provider''s own document.'
  humanURL: https://docs.kryptos.io/docs/authentication
  baseURL: https://api-v2.kryptos.io
  properties:
  - type: OpenAPI
    url: openapi/_ae-authored/kryptos-io-authentication-openapi-generated.yml
    x-provenance: generated
  - type: JSONSchema
    url: json-schema/kryptos-io-post-oidc-token-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-get-oidc-userinfo-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-post-oidc-token-revocation-response-schema.json
- aid: kryptos-io:core-api
  name: kryptos-io core API
  description: 'kryptos-io core API as documented publicly: 3 operations. Contract generated from the documentation by API
    Evangelist (2026-10-30); not the provider''s own document.'
  humanURL: https://docs.kryptos.io/docs/mcp
  baseURL: https://api-v2.kryptos.io
  properties:
  - type: OpenAPI
    url: openapi/_ae-authored/kryptos-io-core-openapi-generated.yml
    x-provenance: generated
  - type: JSONSchema
    url: json-schema/kryptos-io-get-v1-sync-syncid-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-post-mcp-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-get-health-response-schema.json
- aid: kryptos-io:kryptos-connect-api
  name: kryptos-io kryptos connect API
  description: 'kryptos-io kryptos connect API as documented publicly: 7 operations. Contract generated from the documentation
    by API Evangelist (2026-10-30); not the provider''s own document.'
  humanURL: https://docs.kryptos.io/docs/kryptos-connect
  baseURL: https://api-v2.kryptos.io
  properties:
  - type: OpenAPI
    url: openapi/_ae-authored/kryptos-io-kryptos-connect-openapi-generated.yml
    x-provenance: generated
  - type: JSONSchema
    url: json-schema/kryptos-io-post-link-token-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-post-token-exchange-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-post-developer-integrations-walletid-resync-response-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-post-link-token-request-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-post-developer-integrations-walletid-resync-request-schema.json
  - type: JSONSchema
    url: json-schema/kryptos-io-get-token-grants-response-schema.json
- aid: kryptos-io:reference-api
  name: kryptos-io reference API
  description: 'kryptos-io reference API as documented publicly: 5 operations. Contract generated from the documentation by
    API Evangelist (2026-10-30); not the provider''s own document.'
  humanURL: https://docs.kryptos.io/docs/reference
  baseURL: https://api-v2.kryptos.io
  properties:
  - type: OpenAPI
    url: openapi/_ae-authored/kryptos-io-reference-openapi-generated.yml
    x-provenance: generated
x-coverage:
  state: blocked
  reason: tooling-unavailable
  detail: Unable to fetch OpenAPI spec URLs (e.g., https://api.kryptos.io/openapi.json) due to network URLError.
  evidence:
  - url: https://api.kryptos.io/openapi.json
    status: null
  checked: '2026-10-31'
x-enrichment:
  date: '2026-10-30'
  status: enriched
  artifacts_added: 50
  pass: modular-v1
  engine: identity=oss,contract=oss,surfaces=oss,docs=oss,regulatory=oss

kryptos-io API — frequently asked questions

Does kryptos-io have an API?

Yes. APIs.io lists 6 APIs from kryptos-io, including Kryptos API, kryptos-io api API and kryptos-io authentication API, and 3 more.

Is there an OpenAPI specification for the kryptos-io API?

Yes. APIs.io indexes 5 OpenAPI specifications for kryptos-io, each linked for download from this page.

How do I authenticate with the kryptos-io API?

kryptos-io uses bearer-token authentication (1 scheme). The details are profiled on APIs.io as Kryptos Io Authentication.

Is the kryptos-io API ready for AI agents?

kryptos-io has a Kin Score of 61.9 out of 100 (strong) and an Agent Readiness score of 28.4 (agent-aware), scored by API Evangelist on 2026-10-31.

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