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STRING

STRING Homology API

Protein homology and similarity scores

Documentation Provider Profile APIs.io OpenAPI GitHub

STRING Homology API is one of 7 APIs that STRING publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Homology. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 2 operations across 2 paths, and defines 4 schemas. It is described by OpenAPI 3.2.0, at version 12.0.

Requests are made against a single base URL, https://string-db.org.

2 operations 2 paths 4 schemas 2 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
12.0
Base URL
https://string-db.org
Authentication
API Key
Contact
STRING Consortium
License
Creative Commons Attribution
Terms of Service
View terms
Resource Areas
1

Authentication & Security 1

STRING Homology API declares 1 security scheme for authenticating requests. An API key is passed in the query as api_key (ApiKeyAuth).

  • ApiKeyAuth — API key required only for Values/Ranks Enrichment endpoints. Obtain via POST /api/json/getapikey. All other endpoints are publicly accessible without authentic…

Paths & Operations 2

Across 2 paths, the API surfaces 2 operations — 2 GET. Each is listed below with its method, path, parameters, and response codes.

homology 2

Protein homology and similarity scores

GET
/api/{format}/homology
Homology
getHomology 4 params → 200400
GET
/api/{format}/homology_best
Best Homology
getHomologyBest 5 params → 200400

Schemas 4

The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are HomologyBestResult (6 properties), HomologyResult (4 properties), Error (3 properties). Each schema is shown below with its type and property counts.

HomologyResult
object
Smith-Waterman homology score between two proteins
4 properties
TsvResponse
string
Tab-separated values response with header row
HomologyBestResult
object
Best cross-species homology hit
6 properties
Error
object
3 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

string-db-homology-api-openapi.yml Raw ↑

Other APIs STRING publishes across the network.

STRING Annotation API
AE Profile APIs.io
STRING Enrichment API
AE Profile APIs.io
STRING Identifiers API
AE Profile APIs.io
STRING Network API
AE Profile APIs.io
STRING Utility API
AE Profile APIs.io
STRING Valuesranks API
AE Profile APIs.io
#Homology
← Back to S APIs
API Details
ID
string-db:string-db-homology-api
Base URL
https://string-db.org
Docs
https://string-db.org/help/api/
Provider
STRING
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