Wex Health and Benefits APIs

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List Employee Groups

Header Parameters

X-Request-Idstring

Optional correlation ID for distributed tracing.

Authorizationstring

Query Parameters

pageinteger

Zero-based page index. Defaults to 0.

Default value
0
page_sizeinteger

Number of items per page. Defaults to 20, max 100.

Minimum
1
Maximum
100
Default value
20
statusstring

Optional filter by group status.

employer_account_idstring

Optional employer account identifier to filter by. Ignored when the caller's JWT carries an employer claim (typical for employer-scoped user/service tokens); if supplied and it does not match the JWT claim, the request is rejected with 403 Forbidden. When the JWT does not carry an employer claim (e.g., partner/TPA or admin tooling authenticating via OAuth2Client client-credentials or ApiKeyAuth), this parameter identifies the target tenant and the caller's scope must grant access...

Max length
255

Response

200
Object

OK – Paginated list of employee groups

Response Attributes

itemsarray Required

Employee group records for the current page.

Show child attributes

pageinteger Required

Zero-based page index.

page_sizeinteger Required

Number of items per page.

has_nextboolean Required

True if more pages exist.

paginationobject | null Required

Show child attributes

400
Object

Bad Request – Validation failed. The errors map keys mirror the snake_case JSON property names used in the request payload.

Response Attributes

typestring | null
titlestring | null
statusinteger | null
detailstring | null
instancestring | null
invalid_paramsarray | null

List of invalid parameters that caused the validation error.

Max items
10

Show child attributes

errorsobject

Human-readable validation error messages keyed by field name. Each key maps to one or more error message strings.

Show child attributes

validation_errorsobject

Field-level validation errors keyed by field name. Each key maps to one or more structured error details.

401
Object

Unauthorized – Missing or invalid credentials.

Response Attributes

typestring | null
titlestring | null
statusinteger | null
detailstring | null
instancestring | null
invalid_paramsarray | null

List of invalid parameters that caused the validation error.

Max items
10

Show child attributes

errorsobject

Human-readable validation error messages keyed by field name. Each key maps to one or more error message strings.

validation_errorsobject

Field-level validation errors keyed by field name. Each key maps to one or more structured error details.

403
Object

Forbidden – Insufficient permissions.

Response Attributes

typestring | null
titlestring | null
statusinteger | null
detailstring | null
instancestring | null
invalid_paramsarray | null

List of invalid parameters that caused the validation error.

Max items
10

Show child attributes

errorsobject

Human-readable validation error messages keyed by field name. Each key maps to one or more error message strings.

validation_errorsobject

Field-level validation errors keyed by field name. Each key maps to one or more structured error details.

429
Object

Too Many Requests – Rate limit exceeded.

Response Attributes

typestring | null
titlestring | null
statusinteger | null
detailstring | null
instancestring | null
invalid_paramsarray | null

List of invalid parameters that caused the validation error.

Max items
10

Show child attributes

errorsobject

Human-readable validation error messages keyed by field name. Each key maps to one or more error message strings.

validation_errorsobject

Field-level validation errors keyed by field name. Each key maps to one or more structured error details.

500
Object

Internal Server Error.

Response Attributes

typestring | null
titlestring | null
statusinteger | null
detailstring | null
instancestring | null
invalid_paramsarray | null

List of invalid parameters that caused the validation error.

Max items
10

Show child attributes

errorsobject

Human-readable validation error messages keyed by field name. Each key maps to one or more error message strings.

validation_errorsobject

Field-level validation errors keyed by field name. Each key maps to one or more structured error details.

default
Object

Internal Server Error.

Response Attributes

typestring | null
titlestring | null
statusinteger | null
detailstring | null
instancestring | null
invalid_paramsarray | null

List of invalid parameters that caused the validation error.

Max items
10

Show child attributes

errorsobject

Human-readable validation error messages keyed by field name. Each key maps to one or more error message strings.

validation_errorsobject

Field-level validation errors keyed by field name. Each key maps to one or more structured error details.

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GET

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Select
1

Response

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