CoinGecko · Authentication Profile

Coingecko Authentication

Authentication

CoinGecko secures its APIs with apiKey across 4 declared security schemes, as derived from its OpenAPI definitions.

AggregatorBlockchainCryptocurrencyDecentralized ExchangesDeFiDEXExchangesLiquidity PoolsMarket DataNFTsOnchain DataPrices
Methods: apiKey Schemes: 4 OAuth flows: API key in: header, query

Security Schemes

demoApiKeyHeader apiKey
· in: header (x-cg-demo-api-key)
demoApiKeyQuery apiKey
· in: query (x_cg_demo_api_key)
proApiKeyHeader apiKey
· in: header (x-cg-pro-api-key)
proApiKeyQuery apiKey
· in: query (x_cg_pro_api_key)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/coingecko-crypto-market-data-api-openapi.yml, openapi/coingecko-onchain-dex-api-openapi.yml,
  openapi/coingecko-pro-api-openapi.yml
summary:
  types:
  - apiKey
  api_key_in:
  - header
  - query
schemes:
- name: demoApiKeyHeader
  type: apiKey
  in: header
  parameter: x-cg-demo-api-key
  description: CoinGecko Demo API key passed via request header. Obtain a free key from the
    CoinGecko developer dashboard.
  sources:
  - openapi/coingecko-crypto-market-data-api-openapi.yml
  - openapi/coingecko-onchain-dex-api-openapi.yml
- name: demoApiKeyQuery
  type: apiKey
  in: query
  parameter: x_cg_demo_api_key
  description: CoinGecko Demo API key passed via query string parameter.
  sources:
  - openapi/coingecko-crypto-market-data-api-openapi.yml
  - openapi/coingecko-onchain-dex-api-openapi.yml
- name: proApiKeyHeader
  type: apiKey
  in: header
  parameter: x-cg-pro-api-key
  description: CoinGecko Pro API key passed via request header.
  sources:
  - openapi/coingecko-onchain-dex-api-openapi.yml
  - openapi/coingecko-pro-api-openapi.yml
- name: proApiKeyQuery
  type: apiKey
  in: query
  parameter: x_cg_pro_api_key
  description: CoinGecko Pro API key passed via query string parameter.
  sources:
  - openapi/coingecko-onchain-dex-api-openapi.yml
  - openapi/coingecko-pro-api-openapi.yml