IMF Data Structure API
Retrieve dataset metadata including dataflows, data structures, codelists, and concept schemes
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OpenAPI Specification
openapi: 3.2.0
info:
title: IMF SDMX 3.0 Data Structure API
description: 'The International Monetary Fund (IMF) SDMX 3.0 Data API provides programmatic access
to hundreds of IMF statistical datasets.'
version: '3.0'
contact:
name: IMF Data Help
url: https://datahelp.imf.org
email: sdmx@imf.org
license:
name: IMF Data License
url: https://www.imf.org/external/terms.htm
termsOfService: https://www.imf.org/external/terms.htm
servers:
- url: https://api.imf.org/external/sdmx/3.0
description: IMF SDMX 3.0 API (current)
- url: http://dataservices.imf.org/REST/SDMX_JSON.svc
description: IMF SDMX JSON 2.1 API (legacy)
tags:
- name: Structure
description: Retrieve dataset metadata including dataflows, data structures, codelists, and concept schemes
paths:
/structure/dataflow/all/*/+:
get:
summary: List all available IMF dataflows (datasets)
description: 'Returns all available dataflow definitions from the IMF SDMX API.
Each dataflow represents a dataset such as IFS, WEO, FM, GFS, MFS, etc.
Use the dataflow ID to query data and retrieve data structures.'
operationId: listDataflows
tags:
- Structure
parameters:
- name: Accept
in: header
description: Response format
schema:
type: string
default: application/json
responses:
'200':
description: List of available dataflows
content:
application/json:
schema:
type: object
properties:
data:
type: object
properties:
dataflows:
type: array
items:
$ref: '#/components/schemas/Dataflow'
'400':
$ref: '#/components/responses/BadRequest'
'429':
$ref: '#/components/responses/TooManyRequests'
/structure/datastructure/{agency}/{dsd_id}/+:
get:
summary: Retrieve data structure definition (DSD) for a dataflow
description: 'Returns the data structure definition for a specific dataset, including
all dimensions, measures, attributes, and their positions.
Use this to understand how to build query keys for data requests.'
operationId: getDataStructure
tags:
- Structure
parameters:
- name: agency
in: path
required: true
description: The agency that owns the data structure (e.g., IMF.STA, IMF)
schema:
type: string
example: IMF.STA
- name: dsd_id
in: path
required: true
description: The data structure definition identifier
schema:
type: string
example: DSD_GFS
responses:
'200':
description: Data structure definition
content:
application/json:
schema:
type: object
properties:
data:
type: object
properties:
dataStructures:
type: array
items:
$ref: '#/components/schemas/DataStructure'
'404':
$ref: '#/components/responses/NotFound'
'429':
$ref: '#/components/responses/TooManyRequests'
/structure/codelist/{agency}/{codelist_id}/+:
get:
summary: Retrieve a codelist for a dimension
description: 'Returns all valid codes and their labels for a specified codelist.
Codelists are used to identify valid values for dimensions such as
COUNTRY (country codes), FREQUENCY (A=Annual, Q=Quarterly, M=Monthly),
and indicator codes specific to each dataset.'
operationId: getCodelist
tags:
- Structure
parameters:
- name: agency
in: path
required: true
description: The agency that owns the codelist
schema:
type: string
example: IMF.STA
- name: codelist_id
in: path
required: true
description: The codelist identifier (e.g., CL_COUNTRY, CL_FREQ)
schema:
type: string
example: CL_COUNTRY
responses:
'200':
description: Codelist with codes and labels
content:
application/json:
schema:
type: object
properties:
data:
type: object
properties:
codelists:
type: array
items:
$ref: '#/components/schemas/Codelist'
'404':
$ref: '#/components/responses/NotFound'
'429':
$ref: '#/components/responses/TooManyRequests'
/structure/conceptscheme/{agency}/{scheme_id}/+:
get:
summary: Retrieve a concept scheme
description: 'Returns concept definitions used to describe the meaning of dimensions
and attributes in IMF datasets.'
operationId: getConceptScheme
tags:
- Structure
parameters:
- name: agency
in: path
required: true
description: The agency that owns the concept scheme
schema:
type: string
example: IMF
- name: scheme_id
in: path
required: true
description: The concept scheme identifier
schema:
type: string
example: CS_IFS
responses:
'200':
description: Concept scheme with concept definitions
content:
application/json:
schema:
type: object
'404':
$ref: '#/components/responses/NotFound'
components:
schemas:
Error:
type: object
properties:
message:
type: string
code:
type: integer
correlationId:
type: string
path:
type: string
Dataflow:
type: object
description: An IMF dataset definition
properties:
id:
type: string
description: Unique dataflow identifier (e.g., IFS, GFS, FM)
example: FM
name:
type: string
description: Human-readable dataset name
example: Fiscal Monitor
description:
type: string
description: Detailed dataset description
version:
type: string
description: Dataflow version
example: 8.0.1
agencyID:
type: string
description: Owning agency identifier
example: IMF.STA
structure:
type: string
description: URN reference to the associated data structure definition
Dimension:
type: object
description: A dimension in an IMF dataset structure
properties:
id:
type: string
description: Dimension identifier (e.g., COUNTRY, FREQUENCY, TIME_PERIOD)
example: COUNTRY
position:
type: integer
description: Position in the dot-separated key string
example: 2
type:
type: string
description: Dimension type
enum:
- Dimension
- TimeDimension
- Measure
conceptIdentity:
type: string
description: URN reference to the concept definition
DataStructure:
type: object
description: Data structure definition for an IMF dataset
properties:
id:
type: string
description: Data structure identifier
agencyID:
type: string
description: Owning agency
dataStructureComponents:
type: object
properties:
dimensionList:
type: object
properties:
dimensions:
type: array
items:
$ref: '#/components/schemas/Dimension'
timeDimensions:
type: array
items:
$ref: '#/components/schemas/Dimension'
measureList:
type: object
properties:
measures:
type: array
items:
$ref: '#/components/schemas/Dimension'
Codelist:
type: object
description: A list of valid codes for a dimension
properties:
id:
type: string
description: Codelist identifier
example: CL_COUNTRY
agencyID:
type: string
codes:
type: array
items:
type: object
properties:
id:
type: string
description: Code value
example: USA
name:
type: string
description: Human-readable code label
example: United States
responses:
BadRequest:
description: Invalid request parameters
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
TooManyRequests:
description: Rate limit exceeded (50 requests/second per application)
headers:
Retry-After:
schema:
type: integer
description: Seconds to wait before retrying
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
NotFound:
description: Resource not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
externalDocs:
description: IMF Data Help - Using JSON RESTful Web Service
url: https://datahelp.imf.org/knowledgebase/articles/667294-using-json-restful-web-service