Euler Finance

Euler Finance Prices API

Current and historical token prices. Prices follow v3 source priority rules and return the canonical merged value rather than exposing raw provider-specific reads by default.

Documentation GitHub OpenAPI

Operations 3

GET /v3/tokens/{chainId}/{address}/price Token price #

GET /v3/prices Batch prices for tokens #

GET /v3/prices/history Historical prices #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Euler Data API (V3) Prices API
  version: 3.0.0
  description: API specification for Euler Data v3.
servers:
- url: /
  description: Current environment
security: []
tags:
- name: Prices
  description: Current and historical token prices. Prices follow v3 source priority rules and return the canonical merged value rather than exposing raw provider-specific reads by default.
paths:
  /v3/tokens/{chainId}/{address}/price:
    get:
      tags:
      - Prices
      summary: Token price
      x-status: implemented
      x-cache-ttl: 300
      parameters:
      - $ref: '#/components/parameters/ChainIdPath'
      - $ref: '#/components/parameters/AddressPath'
      responses:
        '200':
          description: Token price
          headers:
            Cache-Control:
              $ref: '#/components/headers/Cache-Control'
            X-Request-Id:
              $ref: '#/components/headers/X-Request-Id'
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/Price'
                  meta:
                    type: object
                    properties:
                      timestamp:
                        type: string
                        format: date-time
        '400':
          $ref: '#/components/responses/Error400'
        '404':
          $ref: '#/components/responses/Error404'
        '429':
          $ref: '#/components/responses/Error429'
        '500':
          $ref: '#/components/responses/Error500'
      operationId: getTokensByChainIdByAddressPrice
  /v3/prices:
    get:
      tags:
      - Prices
      summary: Batch prices for tokens
      x-status: implemented
      x-cache-ttl: 300
      parameters:
      - $ref: '#/components/parameters/ChainIdParam'
      - name: addresses
        in: query
        required: false
        schema:
          type: string
        description: Comma-separated token addresses (max 100).
      - name: assets
        in: query
        required: false
        deprecated: true
        schema:
          type: string
        description: Deprecated alias for `addresses`.
      responses:
        '200':
          description: Prices
          headers:
            Cache-Control:
              $ref: '#/components/headers/Cache-Control'
            X-Request-Id:
              $ref: '#/components/headers/X-Request-Id'
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Price'
                  meta:
                    $ref: '#/components/schemas/PaginationMeta'
      operationId: getPrices
  /v3/prices/history:
    get:
      tags:
      - Prices
      summary: Historical prices
      description: 'Historical prices for explicit token addresses over a bounded time range.

        Required query params: `chainId`, `addresses`, `from`, `to`.

        Maximum allowed window is 30 days per request.'
      x-status: implemented
      x-cache-ttl: 300
      parameters:
      - name: chainId
        in: query
        required: true
        schema:
          type: integer
      - name: addresses
        in: query
        required: true
        schema:
          type: string
        description: Comma-separated token addresses.
      - name: assets
        in: query
        required: false
        deprecated: true
        schema:
          type: string
        description: Deprecated alias for `addresses`.
      - name: from
        in: query
        required: true
        schema:
          type: integer
        description: Inclusive start of the history window as a unix timestamp in seconds (UTC).
      - name: to
        in: query
        required: true
        schema:
          type: integer
        description: Inclusive end of the history window as a unix timestamp in seconds (UTC).
      - $ref: '#/components/parameters/OffsetParam'
      - $ref: '#/components/parameters/LimitParam'
      responses:
        '200':
          description: Historical prices
          headers:
            Cache-Control:
              $ref: '#/components/headers/Cache-Control'
            X-Request-Id:
              $ref: '#/components/headers/X-Request-Id'
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Price'
                  meta:
                    $ref: '#/components/schemas/PaginationMeta'
        '400':
          $ref: '#/components/responses/Error400'
        '404':
          $ref: '#/components/responses/Error404'
        '429':
          $ref: '#/components/responses/Error429'
        '500':
          $ref: '#/components/responses/Error500'
      operationId: getPricesHistory
components:
  schemas:
    Price:
      type: object
      properties:
        chainId:
          type: integer
        address:
          type: string
        symbol:
          type: string
        decimals:
          type: integer
        priceUsd:
          type: number
          description: Market-normalized USD price number. If `source` is `oracle`, this endpoint still exposes the v3 market-price number; use `/v3/oracles/prices` for exact contract-derived oracle values.
        source:
          type: string
        confidence:
          type: number
          nullable: true
        blockNumber:
          type: string
          nullable: true
        timestamp:
          type: string
          format: date-time
    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
    PaginationMeta:
      type: object
      required:
      - timestamp
      properties:
        total:
          type: integer
          description: Exact total count when the endpoint provides one.
        hasMore:
          type: boolean
          description: Indicates whether another page exists beyond the current page.
        offset:
          type: integer
        limit:
          type: integer
          description: Echoed page size after endpoint-side clamping.
        timestamp:
          type: string
          format: date-time
        chainId:
          type: string
          description: Comma-separated chain IDs for multi-chain responses.
  parameters:
    ChainIdPath:
      name: chainId
      in: path
      required: true
      schema:
        type: integer
    LimitParam:
      name: limit
      in: query
      required: false
      description: Requested page size. Values above the endpoint cap are clamped; the default shared cap is 100.
      schema:
        type: integer
        default: 20
        maximum: 100
    AddressPath:
      name: address
      in: path
      required: true
      schema:
        type: string
    OffsetParam:
      name: offset
      in: query
      required: false
      schema:
        type: integer
        default: 0
    ChainIdParam:
      name: chainId
      in: query
      required: false
      schema:
        type: string
      description: Comma-separated list of chain IDs (single value allowed).
      example: 1,10,8453
  headers:
    Cache-Control:
      description: Cache policy for this response.
      schema:
        type: string
    X-Request-Id:
      description: Request identifier for tracing.
      schema:
        type: string
  responses:
    Error400:
      description: Bad request
      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'
    Error429:
      description: Rate limited
      headers:
        Retry-After:
          description: Seconds until next request is allowed.
          schema:
            type: integer
        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.