Coin Railz

Coin Railz (Kellogg Holdings LLC) is pay-per-call financial and data infrastructure built for autonomous AI agents: 80 metered services - crypto and DeFi intelligence, trading signals, wallet and contract risk, prediction-market odds (Kalshi, Polymarket), NASA/ESA satellite data, IoT/DePIN feeds, AI inference, real estate and compliance checks - paid per request with x402 USDC micropayments on Base, Arc and Solana, or with card-funded prepaid credits. It publishes two OpenAPIs, a conformant A2A agent card, an open remote MCP server with 80 tools, an llms.txt, MPP and AP2 payment manifests, and an ERC-4626 USDC yield vault.

Coin Railz publishes 22 API contracts indexed on the APIs.io network, including AI Services API, Base Native API, DeFi & Yield API, and 19 more. Tagged areas include Company, Payments, Agents, x402, and Micropayments.

Coin Railz’s developer surface includes engineering blog, authentication, documentation, getting-started guide, API reference, pricing, signup flow, and 35 more developer resources.

🌐 Visit website 📡 Source on GitHub

49.1/100 developing ▬ flat Agent 41/100 agent ready Front door AI 4/6 moderate Full breakdown ↓
scored 2026-10-09 · rubric v0.23.0

4 published contracts 1 MCP Servers

Company Payments Agents x402 Micropayments Cryptocurrency DeFi Blockchain Stablecoins USDC Prediction Markets Satellite Data IoT Trading Compliance MCP A2A

What this lets a business do 1

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Developer Platform & API Ecosystem Management

BC-4270

Developer Tools

POST /x402/instant-api-key

Kin Score

Kin Score How this is scored →
scored 2026-10-09 · rubric v0.23.0

Composite quality — 49.1/100 · developing

Contract Quality 9.9 / 19

Developer Ergonomics 7.1 / 15

Access Clarity 7.3 / 15

Operational Transparency 3.3 / 10

Contract Governance 1.6 / 9

Discoverability 6.0 / 8

Regulatory Posture 3.1 / 15

Create-or-Update Ergonomics 2.8 / 10

Agent readiness — 41/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 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

A2A Agent Card 8 / 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

Regulatory Posture applies to this provider. Its tags matched the Payments 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 applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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 github.com/api-evangelist/coinrailz-com: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

x402

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

APIs 22

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

Coin Railz MCP Server

Remote MCP server on the primary domain: POST https://coinrailz.com/mcp (JSON-RPC 2.0). tools/list is open and returns 80 tools with input and output schemas; tool calls are met...

Coin Railz AI Services API

Pay-per-call AI inference

Coin Railz Base Native API

The Base Native API from Coin Railz — 3 operation(s) for base native.

Coin Railz DeFi & Yield API

The DeFi & Yield API from Coin Railz — 4 operation(s) for defi & yield.

Coin Railz Developer Tools API

The Developer Tools API from Coin Railz — 1 operation(s) for developer tools.

Coin Railz Discovery API

Test and discovery endpoints

Coin Railz Execution API

Transaction building and wallet services

Coin Railz Investment API

Trading signals and portfolio optimization

Coin Railz IoT & DePIN API

IoT device data and fleet telematics

Coin Railz Market Intelligence API

Arbitrage and risk analysis

Coin Railz MPP API

MPP (Machine Payments Protocol) endpoints — pathUSD via Tempo. See /.well-known/mpp.json

Coin Railz Onboarding API

Get an API key or checkout session — no wallet required

Coin Railz Prediction Markets API

Polymarket, Kalshi, and prediction data

Coin Railz Premium API

High-value professional services

Coin Railz Real Estate API

Property and construction analytics

Coin Railz Risk & Compliance APIs API

Informational technical risk and compliance-analysis outputs; not banking, legal, or regulated advice

Coin Railz Robinhood Chain API

The Robinhood Chain API from Coin Railz — 5 operation(s) for robinhood chain.

Coin Railz RWA & Tokenization API

The RWA & Tokenization API from Coin Railz — 2 operation(s) for rwa & tokenization.

Coin Railz Satellite Intelligence API

NASA/ESA satellite data APIs

Coin Railz Solana Yield API

Non-custodial USDC yield portal on Solana — deposits into Kamino Lending. Agent signs and submits transactions; Coin Railz never holds funds.

Coin Railz Trading Intelligence API

Real-time market data and analysis

Coin Railz Yield API

Non-custodial USDC yield vault — ERC-4626 auto-routing across Aave v3, Compound v3, and Morpho Blue on Base. No lockup, 0% exit fee.

Scroll for all 22

MCP Servers 1

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

Coin Railz MCP Server

Coin Railz operates a remote MCP server on its primary domain: POST https://coinrailz.com/mcp with {jsonrpc:2.0, method:tools/list} returned 80 tools with inputSchema and output...

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Coinrailz Com Plans Pricing

5 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Coinrailz Com Rate Limits

5 limits

RATE LIMITS

OpenAPI Overlays 2

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

Coinrailz Com Agent Payment Api Overlay

1 action · update · coinrailz-com-agent-payment-api-openapi.yml

GENERATED

Coinrailz Com X402 Services Overlay

4 actions · security · coinrailz-com-x402-services-openapi.yml

GENERATED

Security Posture 3

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

Coinrailz Com Authentication

apiKey/http · 4 schemes

SECURITY

Coinrailz Com Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Coinrailz Com Vulnerability Disclosure

contact published

SECURITY

Resources

Get Started 5

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Login

Sandbox

Sandbox

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

MCPServer

WellKnown

AgentSkill

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conformance

ErrorCatalog

Lifecycle

Conventions

Idempotency

Build 5

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

ToolCrosswalk

ToolCrosswalk

OpenAIPluginManifest

OpenAIPluginManifest

Packages

Packages

SDKs

SDKs

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

VulnerabilityDisclosure

VulnerabilityDisclosure

Operate 2

Status, limits, changes, and where to get help

Support

Support

RateLimits

RateLimits

Commercial 4

Pricing, plans, and the legal terms of use

Pricing

TermsOfService

PrivacyPolicy

Plans

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 9

Properties that don't map to a standard resource type

CapabilityMap

Overlay

Overlay

AgentCard

AgentCard

APICatalog

RegulatoryPosture

RegulatoryPosture

AgentInstructions

AgentInstructions

X402

X402

Scroll for all 9

Source (apis.yml)

aid: coinrailz-com
name: Coin Railz
description: 'Coin Railz (Kellogg Holdings LLC) is pay-per-call financial and data infrastructure built for autonomous AI
  agents: 80 metered services - crypto and DeFi intelligence, trading signals, wallet and contract risk, prediction-market
  odds (Kalshi, Polymarket), NASA/ESA satellite data, IoT/DePIN feeds, AI inference, real estate and compliance checks - paid
  per request with x402 USDC micropayments on Base, Arc and Solana, or with card-funded prepaid credits. It publishes two
  OpenAPIs, a conformant A2A agent card, an open remote MCP server with 80 tools, an llms.txt, MPP and AP2 payment manifests,
  and an ERC-4626 USDC yield vault.'
url: https://raw.githubusercontent.com/api-evangelist/coinrailz-com/refs/heads/main/apis.yml
image: https://coinrailz.com/apple-touch-icon.png
x-type: company
x-source: harvest:a2a-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-09-19 (was stub)
specificationVersion: '0.20'
created: '2026-09-19'
modified: '2026-10-06'
tags:
- Company
- Payments
- Agents
- x402
- Micropayments
- Cryptocurrency
- DeFi
- Blockchain
- Stablecoins
- USDC
- Prediction Markets
- Satellite Data
- IoT
- Trading
- Compliance
- MCP
- A2A
apis:
- aid: coinrailz-com:mcp
  name: Coin Railz MCP Server
  description: 'Remote MCP server on the primary domain: POST https://coinrailz.com/mcp (JSON-RPC 2.0). tools/list is open
    and returns 80 tools with input and output schemas; tool calls are metered (X-API-KEY prepaid credits or x402). A local
    stdio server ships as the PyPI package coinrailz-mcp. Every tool binds one-to-one to a /x402/<service> operation in the
    x402 services OpenAPI (see the tool crosswalk).'
  image: https://coinrailz.com/apple-touch-icon.png
  humanURL: https://coinrailz.com/mcp-integration-guide
  baseURL: https://coinrailz.com/mcp
  tags:
  - MCP
  - Agents
  - Tools
  properties:
  - type: MCPServer
    url: mcp/coinrailz-com-mcp.yml
  - type: ToolCrosswalk
    url: mcp/coinrailz-com-tool-crosswalk.yml
  - type: Documentation
    url: https://coinrailz.com/.well-known/mcp-integration.json
- aid: coinrailz-com:coinrailz-com-ai-services-api
  name: Coin Railz AI Services API
  description: Pay-per-call AI inference
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - AI Services
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-ai-services-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-base-native-api
  name: Coin Railz Base Native API
  description: The Base Native API from Coin Railz — 3 operation(s) for base native.
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Base Native
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-base-native-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-defi-yield-api
  name: Coin Railz DeFi & Yield API
  description: The DeFi & Yield API from Coin Railz — 4 operation(s) for defi & yield.
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - DeFi & Yield
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-defi-yield-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-developer-tools-api
  name: Coin Railz Developer Tools API
  description: The Developer Tools API from Coin Railz — 1 operation(s) for developer tools.
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Developer Tools
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-developer-tools-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-discovery-api
  name: Coin Railz Discovery API
  description: Test and discovery endpoints
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Discovery
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-discovery-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-execution-api
  name: Coin Railz Execution API
  description: Transaction building and wallet services
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Execution
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-execution-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-investment-api
  name: Coin Railz Investment API
  description: Trading signals and portfolio optimization
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Investment
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-investment-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-iot-depin-api
  name: Coin Railz IoT & DePIN API
  description: IoT device data and fleet telematics
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - IoT & DePIN
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-iot-depin-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-market-intelligence-api
  name: Coin Railz Market Intelligence API
  description: Arbitrage and risk analysis
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Market Intelligence
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-market-intelligence-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-mpp-api
  name: Coin Railz MPP API
  description: MPP (Machine Payments Protocol) endpoints — pathUSD via Tempo. See /.well-known/mpp.json
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - MPP
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-mpp-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-onboarding-api
  name: Coin Railz Onboarding API
  description: Get an API key or checkout session — no wallet required
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Onboarding
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-onboarding-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-prediction-markets-api
  name: Coin Railz Prediction Markets API
  description: Polymarket, Kalshi, and prediction data
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Prediction Markets
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-prediction-markets-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-premium-api
  name: Coin Railz Premium API
  description: High-value professional services
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Premium
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-premium-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-real-estate-api
  name: Coin Railz Real Estate API
  description: Property and construction analytics
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Real Estate
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-real-estate-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-risk-compliance-apis-api
  name: Coin Railz Risk & Compliance APIs API
  description: Informational technical risk and compliance-analysis outputs; not banking, legal, or regulated advice
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Risk & Compliance APIs
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-risk-compliance-apis-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-robinhood-chain-api
  name: Coin Railz Robinhood Chain API
  description: The Robinhood Chain API from Coin Railz — 5 operation(s) for robinhood chain.
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Robinhood Chain
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-robinhood-chain-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-rwa-tokenization-api
  name: Coin Railz RWA & Tokenization API
  description: The RWA & Tokenization API from Coin Railz — 2 operation(s) for rwa & tokenization.
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - RWA & Tokenization
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-rwa-tokenization-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-satellite-intelligence-api
  name: Coin Railz Satellite Intelligence API
  description: NASA/ESA satellite data APIs
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Satellite Intelligence
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-satellite-intelligence-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-solana-yield-api
  name: Coin Railz Solana Yield API
  description: Non-custodial USDC yield portal on Solana — deposits into Kamino Lending. Agent signs and submits transactions;
    Coin Railz never holds funds.
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Solana Yield
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-solana-yield-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-trading-intelligence-api
  name: Coin Railz Trading Intelligence API
  description: Real-time market data and analysis
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Trading Intelligence
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-trading-intelligence-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
- aid: coinrailz-com:coinrailz-com-yield-api
  name: Coin Railz Yield API
  description: Non-custodial USDC yield vault — ERC-4626 auto-routing across Aave v3, Compound v3, and Morpho Blue on Base.
    No lockup, 0% exit fee.
  humanURL: https://coinrailz.com/developers
  baseURL: https://coinrailz.com/mcp
  tags:
  - Yield
  properties:
  - type: OpenAPI
    url: openapi/coinrailz-com-yield-api-openapi.yml
  - type: Documentation
    url: https://coinrailz.com/docs
  - type: ErrorCatalog
    url: errors/coinrailz-com-problem-types.yml
  - type: Pricing
    url: https://coinrailz.com/.well-known/pricing.json
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- url: https://coinrailz.com/blog/
  type: Blog
- type: CapabilityMap
  url: capabilities/coinrailz-com-capability-edges.yml
  name: Coin Railz Business Capability Map
- type: Overlay
  url: overlays/coinrailz-com-agent-payment-api-overlay.yaml
- type: Overlay
  url: overlays/coinrailz-com-x402-services-overlay.yaml
- type: DomainSecurity
  url: security/coinrailz-com-domain-security.yml
- type: Authentication
  url: authentication/coinrailz-com-authentication.yml
- type: Website
  url: https://coinrailz.com/
- type: DeveloperPortal
  url: https://coinrailz.com/developers
- type: Documentation
  url: https://coinrailz.com/docs
- type: GettingStarted
  url: https://coinrailz.com/quickstart
- type: APIReference
  url: https://coinrailz.com/x402/catalog
- type: Pricing
  url: https://coinrailz.com/pricing
- type: SignUp
  url: https://coinrailz.com/free-agent-registration
- type: Login
  url: https://coinrailz.com/api-keys
  name: API keys dashboard (/dashboard/api-keys 301s here)
- type: Support
  url: https://coinrailz.com/contact-us
- type: TermsOfService
  url: https://coinrailz.com/terms-of-service
- type: PrivacyPolicy
  url: https://coinrailz.com/privacy-policy
- type: GitHubOrganization
  url: https://github.com/tdnupe3
  name: GitHub (maintainer account tdnupe3; the coinrailz org named in package metadata does not exist)
- type: LLMsTxt
  url: llms/coinrailz-com-llms.txt
- type: LLMsTxt
  name: llms.txt (provider-hosted)
  url: https://coinrailz.com/llms.txt
- type: AgentCard
  url: a2a/coinrailz-com-a2a.yml
- type: AgentCard
  name: Agent card (provider-hosted)
  url: https://coinrailz.com/.well-known/agent-card.json
- type: MCPServer
  url: mcp/coinrailz-com-mcp.yml
- type: ToolCrosswalk
  url: mcp/coinrailz-com-tool-crosswalk.yml
- type: WellKnown
  url: well-known/coinrailz-com-well-known.yml
- type: APICatalog
  url: well-known/coinrailz-com-api-catalog.json
- type: OpenAIPluginManifest
  url: well-known/coinrailz-com-ai-plugin.json
- type: Packages
  url: packages/coinrailz-com-packages.yml
- type: SDKs
  url: packages/coinrailz-com-packages.yml
- type: Conformance
  url: conformance/coinrailz-com-conformance.yml
- type: ErrorCatalog
  url: errors/coinrailz-com-problem-types.yml
- type: Lifecycle
  url: lifecycle/coinrailz-com-lifecycle.yml
- type: Sandbox
  url: sandbox/coinrailz-com-sandbox.yml
- type: Conventions
  url: conventions/coinrailz-com-conventions.yml
- type: Idempotency
  url: conventions/coinrailz-com-conventions.yml
- type: RegulatoryPosture
  url: regulatory/coinrailz-com-regulatory-posture.yml
- type: Plans
  url: plans/coinrailz-com-plans-pricing.yml
- type: RateLimits
  url: rate-limits/coinrailz-com-rate-limits.yml
- type: VulnerabilityDisclosure
  url: security/coinrailz-com-vulnerability-disclosure.yml
- type: AgentSkill
  url: skills/_index.yml
- type: AgentInstructions
  url: well-known/coinrailz-com-agent-instructions.json
- type: X402
  url: well-known/coinrailz-com-x402.json
x-enrichment:
  date: '2026-09-19'
  status: enriched
  artifacts_added: 47
  pass: local-v3
x-x402:
  verified: true
  probed: '2026-09-24'
  url: https://coinrailz.com/x402/ping
  evidence:
  - header:payment-required
  - body:x402Version
  - body:accepts[scheme,payTo,asset]
  control: 200
x-a2a:
  verified: true
  probed: '2026-09-26'
  url: https://coinrailz.com/.well-known/agent-card.json
  grade: conformant
  protocol_version: 0.3.0
  control: 404

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get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
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