Euler Finance

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.

GitHub OpenAPI

Operations 1

GET /v3/usage/stats Usage statistics for the authenticated API key #

Documentation

📖
Documentation
https://docs.euler.finance/developers/data-querying/euler-v3-api
📖
RateLimits
https://artifacts.apis.io/euler/rate-limits/euler-v3-api.yml

Specifications

⚙
OpenAPI
https://artifacts.apis.io/euler/openapi/euler-usage-api-openapi.yml

Other Resources

🔗
SwaggerUI
https://v3.euler.finance/v3/docs
🔗
PricingPage
https://docs.euler.finance/developers/data-querying/euler-v3-api
🔗
GraphQL
https://artifacts.apis.io/euler/graphql/euler-graphql.md

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OpenAPI Specification

euler-usage-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Euler Usage API
  version: 3.0.0
  description: 'Operations tagged Usage across 2 of this provider''s published API definitions: euler-openapi.json, euler-v3-data-api.json. Each path carries the servers of the definition it was published in.'
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
    servers:
    - url: /
      description: Current environment
components:
  headers:
    X-Request-Id:
      description: Request identifier for tracing.
      schema:
        type: string
  schemas:
    ErrorResponse:
      type: object
      required:
      - error
      properties:
        error:
          type: object
          required:
          - code
          - message
          - requestId
          properties:
            code:
              type: string
              description: 'Domain error code. Examples:

                - BAD_REQUEST

                - INVALID_ADDRESS

                - INVALID_CHAIN_ID

                - CHAIN_NOT_SUPPORTED

                - CHAIN_CAPABILITY_DISABLED

                - NOT_FOUND

                - VAULT_NOT_FOUND

                - TOKEN_NOT_FOUND

                - ACCOUNT_NOT_FOUND

                - VALIDATION_ERROR

                - CONFLICT

                - PRECONDITION_FAILED

                - PAYLOAD_TOO_LARGE

                - RATE_LIMIT_EXCEEDED

                - UNSUPPORTED_MEDIA_TYPE

                - UPSTREAM_TIMEOUT

                - UNAUTHORIZED

                - FORBIDDEN

                - SERVICE_UNAVAILABLE

                - SERVICE_DISABLED

                - INTERNAL_ERROR

                '
            message:
              type: string
            requestId:
              type: string
            details:
              type: object
              additionalProperties: true
              description: Context of the error. Where present, `details.reason` is a stable kebab-case value to key on, and `details.cause` narrows a reason that has several causes. The labels routes list theirs in the Labels tag.
    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
    ErrorResponse_2:
      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
  responses:
    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'
    Error401:
      description: Unauthorized
      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.
x-refined-from:
- euler-openapi.json
- euler-v3-data-api.json