Overflow Chargebacks API
The Chargebacks API from Overflow — 2 operation(s) for chargebacks.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Overflow Open Campaigns Chargebacks API
description: '
The documentation for the Overflow Open APIs.
To access the OpenAPI spec in JSON/YAML format, navigate to:
* `/api/docs/openapi.json`
* `/api/docs/openapi.yaml`
'
version: '3.0'
contact: {}
servers:
- url: https://server.stage.overflow.co
description: API server
tags:
- name: Chargebacks
paths:
/api/v3/chargebacks:
get:
description: '
Returns chargebacks for the authenticated nonprofit based on the provided filters.
---
### Chargeback Status
* `pending`: The chargeback is still in progress.
* `lost`: The chargeback was finalized against the nonprofit.
* `won`: The chargeback was finalized in the nonprofit''s favor.
---
### Chargeback Types
* `ach_return`: The chargeback originated from an ACH return.
* `dispute`: The chargeback originated from a card dispute.
---
### Filtering
* Use `contributionId` to return chargebacks for a specific contribution.
* Use `minimumUpdatedDate` and `maximumUpdatedDate` to poll for chargebacks that changed within a specific window.
* Results are sorted by `createdAt` (ascending or descending via `sortDirection`) and paginated with `limit` and `page`.
All monetary amounts in the response are expressed in cents.
'
operationId: OpenApiChargebacksController_getChargebacks
parameters:
- name: limit
required: false
in: query
description: The number of chargebacks to return.
schema:
minimum: 1
maximum: 100
default: 25
type: number
- name: page
required: false
in: query
description: The page number of the chargebacks to return.
schema:
minimum: 1
default: 1
type: number
- name: sortDirection
required: false
in: query
description: Sort direction by chargeback created date. Defaults to descending.
schema:
example: DESC
enum:
- ASC
- DESC
type: string
- name: contributionId
required: false
in: query
description: Filter by contribution id.
schema:
pattern: ^[0-9a-fA-F]{24}$
example: 8810f34fd5061afeec3eab68
type: string
- name: minimumUpdatedDate
required: false
in: query
description: The minimum updated date of the chargebacks to return.
schema:
format: date-time
example: '2025-01-01'
type: string
- name: maximumUpdatedDate
required: false
in: query
description: The maximum updated date of the chargebacks to return.
schema:
format: date-time
example: '2025-02-01'
type: string
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/GetChargebacksResponse'
security:
- ClientId: []
ApiKey: []
summary: Get Chargebacks
tags:
- Chargebacks
/api/v3/chargebacks/{chargebackId}:
get:
description: Returns a single chargeback by its id for the authenticated nonprofit. All monetary amounts are expressed in cents.
operationId: OpenApiChargebacksController_getChargebackById
parameters:
- name: chargebackId
required: true
in: path
schema:
type: string
responses:
'200':
description: ''
content:
application/json:
schema:
$ref: '#/components/schemas/GetChargebackResponse'
'404':
description: Chargeback not found
security:
- ClientId: []
ApiKey: []
summary: Get Chargeback
tags:
- Chargebacks
components:
schemas:
GetChargebacksResponse:
type: object
properties:
data:
type: array
items:
type: object
properties:
id:
type: string
description: Chargeback id.
example: 8810f34fd5061afeec3eab67
contributionId:
type: string
description: Contribution id associated with the chargeback.
example: 8810f34fd5061afeec3eab68
status:
type: string
enum:
- lost
- pending
- won
description: Chargeback status.
example: pending
type:
type: string
enum:
- ach_return
- dispute
description: Chargeback type.
example: dispute
amountInCents:
type: number
description: Gross chargeback amount in cents.
example: 12500
netValueInCents:
type:
- number
- 'null'
description: Net chargeback amount in cents.
example: 12900
feeValueInCents:
type:
- number
- 'null'
description: Chargeback fee amount in cents.
example: 400
processorChargebackId:
type: string
description: Processor chargeback identifier.
example: du_123456789
reason:
type:
- string
- 'null'
description: Chargeback reason when provided by the processor.
example: Unauthorized transaction
depositId:
type:
- string
- 'null'
description: Deposit id associated with the chargeback, when available.
example: 8810f34fd5061afeec3eab69
createdAt:
type: string
format: date-time
description: Date the chargeback was created.
example: '2026-05-19T00:00:00.000Z'
updatedAt:
type: string
format: date-time
description: Date the chargeback was last updated.
example: '2026-05-20T00:00:00.000Z'
required:
- id
- contributionId
- status
- type
- amountInCents
- netValueInCents
- feeValueInCents
- processorChargebackId
- reason
- depositId
- createdAt
- updatedAt
description: List of chargebacks.
totalCount:
type: number
description: Total number of chargebacks matching the filters.
example: 100
required:
- data
- totalCount
GetChargebackResponse:
type: object
properties:
data:
type: object
properties:
id:
type: string
description: Chargeback id.
example: 8810f34fd5061afeec3eab67
contributionId:
type: string
description: Contribution id associated with the chargeback.
example: 8810f34fd5061afeec3eab68
status:
type: string
enum:
- lost
- pending
- won
description: Chargeback status.
example: pending
type:
type: string
enum:
- ach_return
- dispute
description: Chargeback type.
example: dispute
amountInCents:
type: number
description: Gross chargeback amount in cents.
example: 12500
netValueInCents:
type:
- number
- 'null'
description: Net chargeback amount in cents.
example: 12900
feeValueInCents:
type:
- number
- 'null'
description: Chargeback fee amount in cents.
example: 400
processorChargebackId:
type: string
description: Processor chargeback identifier.
example: du_123456789
reason:
type:
- string
- 'null'
description: Chargeback reason when provided by the processor.
example: Unauthorized transaction
depositId:
type:
- string
- 'null'
description: Deposit id associated with the chargeback, when available.
example: 8810f34fd5061afeec3eab69
createdAt:
type: string
format: date-time
description: Date the chargeback was created.
example: '2026-05-19T00:00:00.000Z'
updatedAt:
type: string
format: date-time
description: Date the chargeback was last updated.
example: '2026-05-20T00:00:00.000Z'
required:
- id
- contributionId
- status
- type
- amountInCents
- netValueInCents
- feeValueInCents
- processorChargebackId
- reason
- depositId
- createdAt
- updatedAt
description: Chargeback.
required:
- data
securitySchemes:
ApiKey:
type: apiKey
in: header
name: x-api-key
description: API Key for API authentication
ClientId:
type: apiKey
in: header
name: x-client-id
description: Client ID for API authentication