Yield.xyz

Yield.xyz (formerly StakeKit) is a non-custodial, on-chain yield infrastructure API that lets wallets, custodians, exchanges, and AI agents integrate staking, restaking, liquid staking, DeFi lending, vaults, RWA yields, and perpetuals across 80+ networks and thousands of yield opportunities through a single standardized interface. The REST API discovers yields, constructs complete unsigned transaction flows (enter/exit/manage), and returns unified balances while signing and execution stay entirely with the developer. It powers platforms including Ledger, Zerion, and Tangem, and ships SDKs, an embeddable Widget, an AgentKit MCP server, and packaged agent Skills.

Yield.xyz publishes 1 API on the APIs.io network. Tagged areas include Company, Crypto Web3, Staking, DeFi, and Yield.

Yield.xyz’s developer surface includes documentation, API reference, getting-started guide, support, pricing, signup flow, changelog, and 22 more developer resources.

50.3/100 developing ▬ flat Agent 37/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessPaidSelf serve
1 APIs 1 MCP Servers
CompanyCrypto Web3StakingDeFiYieldBlockchainRestakingVaultsWeb3 InfrastructureNon-Custodial

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 50.3/100 · developing
Contract Quality 0.0 / 25
Developer Ergonomics 14.3 / 20
Commercial Clarity 16.8 / 20
Operational Transparency 9.9 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 37/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
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/yieldxyz: 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 1

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

Yield.xyz API

Non-custodial yield REST API to discover yields, construct unsigned transaction flows (enter/exit/manage), and read unified balances across 80+ networks.

MCP Servers 1

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

yieldxyz-mcp.yml

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Yieldxyz Plans

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Yieldxyz Rate Limits

3 limits

RATE LIMITS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Yieldxyz Authentication

apiKey · 1 scheme

SECURITY

Yieldxyz Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Resources

Get Started 4

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 4

Pagination, idempotency, versioning, errors, and events

Build 3

SDKs, sample code, and the tooling you integrate with

Access & Security 3

Authentication, authorization, and security posture

Operate 5

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 1

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: yieldxyz
name: Yield.xyz
description: Yield.xyz (formerly StakeKit) is a non-custodial, on-chain yield infrastructure API that lets wallets, custodians,
  exchanges, and AI agents integrate staking, restaking, liquid staking, DeFi lending, vaults, RWA yields, and perpetuals
  across 80+ networks and thousands of yield opportunities through a single standardized interface. The REST API discovers
  yields, constructs complete unsigned transaction flows (enter/exit/manage), and returns unified balances while signing and
  execution stay entirely with the developer. It powers platforms including Ledger, Zerion, and Tangem, and ships SDKs, an
  embeddable Widget, an AgentKit MCP server, and packaged agent Skills.
url: https://raw.githubusercontent.com/api-evangelist/yieldxyz/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- multicoin-capital
x-tier: stub
x-tier-reason: portfolio-lead
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 14
  pass: local-v1
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Paid · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
image: https://yield.xyz/images/og-image.png
tags:
- Company
- Crypto Web3
- Staking
- DeFi
- Yield
- Blockchain
- Restaking
- Vaults
- Web3 Infrastructure
- Non-Custodial
apis:
- name: Yield.xyz API
  description: Non-custodial yield REST API to discover yields, construct unsigned transaction flows (enter/exit/manage),
    and read unified balances across 80+ networks.
  humanURL: https://docs.yield.xyz/
  baseURL: https://api.yield.xyz
  tags:
  - Staking
  - DeFi
  - Yield
  properties:
  - type: Documentation
    url: https://docs.yield.xyz/docs/getting-started
  - type: APIReference
    url: https://docs.yield.xyz/reference
  - type: GettingStarted
    url: https://docs.yield.xyz/docs/getting-started
  - type: Authentication
    url: authentication/yieldxyz-authentication.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/yieldxyz-domain-security.yml
- type: Website
  url: https://yield.xyz
- type: DeveloperPortal
  url: https://docs.yield.xyz/
- type: Documentation
  url: https://docs.yield.xyz/docs/getting-started
- type: APIReference
  url: https://docs.yield.xyz/reference
- type: GettingStarted
  url: https://docs.yield.xyz/docs/getting-started
- type: GitHubOrganization
  url: https://github.com/stakekit
- type: Support
  url: https://docs.yield.xyz/docs/faqs
- type: Pricing
  url: https://docs.yield.xyz/docs/rate-limits-and-plans
- type: SignUp
  url: https://dashboard.stakek.it/sign-up/register-interest
- type: Login
  url: https://dashboard.stakek.it/login
- type: TermsOfService
  url: https://docs.yield.xyz/docs/terms-of-use
- type: PrivacyPolicy
  url: https://docs.yield.xyz/docs/privacy-policy
- type: StatusPage
  url: https://status.yield.xyz
- type: ChangeLog
  url: https://docs.yield.xyz/changelog
- type: TrustCenter
  url: https://trust.yield.xyz
- type: LLMsTxt
  url: llms/yieldxyz-llms.txt
- type: MCPServer
  url: mcp/yieldxyz-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Packages
  url: packages/yieldxyz-packages.yml
- type: SDKs
  url: packages/yieldxyz-packages.yml
- type: Components
  url: components/yieldxyz-components.yml
- type: Authentication
  url: authentication/yieldxyz-authentication.yml
- type: Conventions
  url: conventions/yieldxyz-conventions.yml
- type: Lifecycle
  url: lifecycle/yieldxyz-lifecycle.yml
- type: Deprecation
  url: lifecycle/yieldxyz-lifecycle.yml
- type: RateLimits
  url: rate-limits/yieldxyz-rate-limits.yml
- type: DataModel
  url: data-model/yieldxyz-data-model.yml
- type: WellKnown
  url: well-known/yieldxyz-well-known.yml