Euler Finance Usage API
API usage and API key analytics. These endpoints are intended for operators and consumers tracking traffic, rate limits, and key-level activity.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Euler Data API (V3) Usage API
version: 3.0.0
description: API specification for Euler Data v3.
servers:
- url: /
description: Current environment
security: []
tags:
- name: Usage
description: API usage and API key analytics. These endpoints are intended for operators and consumers tracking traffic, rate limits, and key-level activity.
paths:
/v3/usage/stats:
get:
tags:
- Usage
summary: Usage statistics for the authenticated API key
x-status: implemented
security:
- ApiKeyAuth: []
- BearerAuth: []
responses:
'200':
description: Usage statistics
headers:
X-Request-Id:
$ref: '#/components/headers/X-Request-Id'
content:
application/json:
schema:
type: object
properties:
data:
$ref: '#/components/schemas/UsageStatsResponse'
'401':
$ref: '#/components/responses/Error401'
'404':
$ref: '#/components/responses/Error404'
'500':
$ref: '#/components/responses/Error500'
operationId: getUsageStats
components:
schemas:
ErrorResponse:
type: object
required:
- error
properties:
error:
type: object
required:
- code
- message
- requestId
properties:
code:
type: string
description: 'Domain error code. Examples:
- INVALID_ADDRESS
- CHAIN_NOT_SUPPORTED
- VAULT_NOT_FOUND
- TOKEN_NOT_FOUND
- ACCOUNT_NOT_FOUND
- VALIDATION_ERROR
- RATE_LIMIT_EXCEEDED
- UNSUPPORTED_MEDIA_TYPE
- UNAUTHORIZED
- FORBIDDEN
- INTERNAL_ERROR
'
message:
type: string
requestId:
type: string
details:
type: object
additionalProperties: true
UsageStatsResponse:
type: object
required:
- identifier
- key
- stats
- rateLimit
properties:
identifier:
type: string
key:
type: object
required:
- id
- prefix
- name
- rateLimit
- createdAt
- lastUsedAt
properties:
id:
type: string
prefix:
type: string
name:
type: string
rateLimit:
type: integer
createdAt:
type: string
format: date-time
lastUsedAt:
type: string
format: date-time
nullable: true
stats:
type: object
required:
- daily
- weekly
- topEndpoints
properties:
daily:
type: object
required:
- totalRequests
- avgResponseTimeMs
- errorCount
properties:
totalRequests:
type: integer
avgResponseTimeMs:
type: integer
errorCount:
type: integer
weekly:
type: object
required:
- totalRequests
- avgResponseTimeMs
- errorCount
properties:
totalRequests:
type: integer
avgResponseTimeMs:
type: integer
errorCount:
type: integer
topEndpoints:
type: array
items:
type: object
required:
- path
- method
- count
- avgResponseTimeMs
properties:
path:
type: string
method:
type: string
count:
type: integer
avgResponseTimeMs:
type: integer
rateLimit:
type: object
required:
- limit
- window
properties:
limit:
type: integer
window:
type: string
headers:
X-Request-Id:
description: Request identifier for tracing.
schema:
type: string
responses:
Error401:
description: Unauthorized
headers:
X-Request-Id:
$ref: '#/components/headers/X-Request-Id'
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
Error500:
description: Internal server error
headers:
X-Request-Id:
$ref: '#/components/headers/X-Request-Id'
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
Error404:
description: Not found
headers:
X-Request-Id:
$ref: '#/components/headers/X-Request-Id'
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
securitySchemes:
ApiKeyAuth:
type: apiKey
in: header
name: X-API-Key
description: API key authentication (optional; higher rate limits).
BearerAuth:
type: http
scheme: bearer
bearerFormat: API key
description: 'Alternative to X-API-Key using Authorization: Bearer <key>'
AdminSecret:
type: apiKey
in: header
name: X-Admin-Secret
description: Admin secret (server-to-server) for API key management.
PlatformSession:
type: apiKey
in: cookie
name: euler_platform_session
description: Signed, httpOnly platform-operator browser session cookie.
PlatformCsrf:
type: apiKey
in: header
name: X-CSRF-Token
description: Double-submit CSRF token required for unsafe cookie-authenticated methods.