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Sparv API v3 — Text Annotation Pipeline

Sparv is Språkbanken Text's annotation pipeline exposed as a job-submission web service: upload a corpus, generate a makefile, run the pipeline, poll status, download the annotated result. Institution-operated: declared servers are ws.spraakbanken.gu.se/ws/sparv/v3 (production) and /ws/sparvlabb/v3 (lab), contact sb-info@svenska.gu.se, MIT licence. Verified live 2026-09-01: anonymous GET /ping returned HTTP 200 {"message": "PONG", "time": 0.0041}. v2 is still answering on the same host with no published deprecation date.

Sparv API v3 — Text Annotation Pipeline is one of 14 APIs that University of Gothenburg publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Language Technology, Natural Language Processing, Annotation, Pipeline, and Batch. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 13 operations across 12 paths, organized into 4 resource areas, and defines 12 schemas. It is described by OpenAPI 3.0.2, at version 3.0.

Requests are made against 2 base URLs: https://ws.spraakbanken.gu.se/ws/sparv/v3, https://ws.spraakbanken.gu.se/ws/sparvlabb/v3.

13 operations 12 paths 12 schemas 11 GET2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.2
API Version
3.0
Base URL
https://ws.spraakbanken.gu.se/ws/sparv/v3
Authentication
API Key
License
Resource Areas
4

Authentication & Security 1

Sparv API v3 — Text Annotation Pipeline declares 1 security scheme for authenticating requests. An API key is passed in the query as secret_key (ApiKeyAuth).

Paths & Operations 13

Across 12 paths, the API surfaces 13 operations — 11 GET, 2 POST. They span 4 resource areas: Analysis, General, Files, Cleanup. Each is listed below with its method, path, parameters, and response codes.

Analysis 5

Queries for Annotating Texts The default query for the text analysis can be sent as GET or POST requests. The latter can be useful for longer texts. In both cases the response is…

GET
/
Default query
5 params → 200500
POST
/
Default query
5 params → 200500
GET
/schema
Schema
3 params → 200500
GET
/makefile
Makefile
4 params → 200500
GET
/join
Join
2 params → 200500
General 2
GET
/status
Status
→ 200401500
GET
/ping
Ping backend
→ 200500
Files 2

File upload and download.

POST
/upload
File upload
5 params body → 200500
GET
/download
File download
1 param → 200500
Cleanup 4

Calls for removing builds.

GET
/cleanup
Cleanup
→ 200401500
GET
/cleanup/errors
Cleanup errors
→ 200401500
GET
/cleanup/forceone
Cleanup one build
1 param → 200400401500
GET
/cleanup/forceall
Cleanup all builds
→ 200401500

Schemas 12

The contract defines 12 schemas that model the data the API accepts and returns. The most detailed are JoinSchema (3 properties), AnalysisSchema (2 properties), FileSchema (2 properties), PingSchema (2 properties). Each schema is shown below with its type and property counts.

StatusSchema
object
1 property
PingSchema
object
2 properties
GeneralError
object
1 property
AuthenticationError
object
1 property
MakefileSchema
object
1 property
FileSchema
object
2 properties
Cleanup
object
1 property
CleanupOne
object
1 property
NoCleanup
object
1 property
AnalysisSchema
object
2 properties
JoinSchema
object
3 properties
SettingsSchema
object

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

university-of-gothenburg-sparv-api-openapi.yml Raw ↑

Other APIs University of Gothenburg publishes across the network.

Korp API v8 — Corpus Concordance Search
Språkbanken Text Metadata API v3
Mink API v3 — Bring Your Own Corpus
Karp API v7 — Lexical Resource Editing
Karp Search API v1 — Karps sökgränssnitt
GUPEA Repository OAI-PMH 2.0 Interface
GUPEA DSpace 8 REST API
Shibboleth Identity Provider — SAML 2.0 Metadata
Microsoft AD FS Identity Provider (SWAMID entity)
DataCite DOI Registration (client SND.SPRKB, via the Swedish National Data Service)
Crossref Membership (members 36737 and 51378)
Quality of Government (QoG) Open Data
Where this information came from

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