Casap

Casap is an award-winning agentic-AI dispute automation platform for banks, credit unions, and fintechs. It automates payment dispute (chargeback) intake, investigation, and resolution end to end, reducing operational cost and manual work while improving regulatory compliance and consumer satisfaction. The Casap REST API lets financial institutions programmatically create disputes, check dispute status, upload evidence files, and reopen disputes, backed by a hosted disputes dashboard, PCI-DSS and SOC 2 (AICPA) controls, and integrations with card networks (Visa, Mastercard) and core banking systems (Symitar/Jack Henry, STAR). Casap won Best of Show at FinovateFall 2025.

Casap publishes 1 API on the APIs.io network. Tagged areas include Company, Fintech, Disputes, Chargebacks, and Fraud.

Casap’s developer surface includes authentication, documentation, API reference, getting-started guide, support, engineering blog, and 19 more developer resources.

🌐 Visit website 📡 Source on GitHub
42.6/100 thin Agent 69/100 agent native Full breakdown ↓
scored 2026-07-20 · rubric v0.4
1 APIs 1 MCP Servers 0 Features
CompanyFintechDisputesChargebacksFraudPaymentsBankingDispute ResolutionAgentic AI

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4
Composite quality — 42.6/100 · thin
Contract Quality 9.4 / 25
Developer Ergonomics 13.5 / 20
Commercial Clarity 8.4 / 20
Operational Transparency 2.1 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 69/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/casap: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs

Casap API

The Casap dispute automation REST API. Financial institutions authenticate with an API key and a user UUID, then create disputes, retrieve dispute status, list disputes, upload ...

MCP Servers

casap-mcp.yml

MCP SERVER

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 Login
Login

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

WellKnown
WellKnown
 LLMsTxt
LLMsTxt
 AgentSkill
AgentSkill
 MCPServer
MCPServer
 AgenticAccess
AgenticAccess

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Lifecycle
Lifecycle
 Conformance
Conformance
 DataModel
DataModel
 Conventions
Conventions
 ErrorCatalog
ErrorCatalog

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication
 Compliance
Compliance

Operate 2

Status, limits, changes, and where to get help

Support
Support
 StatusPage
StatusPage

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

Overlay
Overlay

Source (apis.yml)

apis.yml Raw ↑ 
aid: casap
name: Casap
description: Casap is an award-winning agentic-AI dispute automation platform for banks, credit unions, and fintechs. It automates
  payment dispute (chargeback) intake, investigation, and resolution end to end, reducing operational cost and manual work
  while improving regulatory compliance and consumer satisfaction. The Casap REST API lets financial institutions programmatically
  create disputes, check dispute status, upload evidence files, and reopen disputes, backed by a hosted disputes dashboard,
  PCI-DSS and SOC 2 (AICPA) controls, and integrations with card networks (Visa, Mastercard) and core banking systems (Symitar/Jack
  Henry, STAR). Casap won Best of Show at FinovateFall 2025.
image: https://cdn.prod.website-files.com/6670a4d559962296d4e052c9/669eb1e52506764a3f5fbef6_Casap%20Website%20Group%2018.webp
url: https://raw.githubusercontent.com/api-evangelist/casap/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- emergence-capital
- lightspeed-venture-partners
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Fintech
- Disputes
- Chargebacks
- Fraud
- Payments
- Banking
- Dispute Resolution
- Agentic AI
apis:
- name: Casap API
  description: The Casap dispute automation REST API. Financial institutions authenticate with an API key and a user UUID,
    then create disputes, retrieve dispute status, list disputes, upload supporting evidence files, and reopen disputes. OpenAPI
    3.1.1; grpc-gateway-generated with a google.rpc.Status error envelope.
  humanURL: https://docs.casaphq.com
  baseURL: https://api.casaphq.com
  tags:
  - Disputes
  - Auth
  properties:
  - type: OpenAPI
    url: openapi/casap-openapi.json
  - type: Documentation
    url: https://docs.casaphq.com
  - type: APIReference
    url: https://docs.casaphq.com/casap-api
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: WellKnown
  url: well-known/casap-well-known.yml
- type: LLMsTxt
  url: llms/casap-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: Lifecycle
  url: lifecycle/casap-lifecycle.yml
- type: Overlay
  url: overlays/casap-openapi-overlay.yaml
- type: Conformance
  url: conformance/casap-conformance.yml
- type: MCPServer
  url: mcp/casap-mcp.yml
- type: DataModel
  url: data-model/casap-data-model.yml
- type: Conventions
  url: conventions/casap-conventions.yml
- type: ErrorCatalog
  url: errors/casap-problem-types.yml
- type: DomainSecurity
  url: security/casap-domain-security.yml
- type: AgenticAccess
  url: agentic-access/casap-agentic-access.yml
- type: Authentication
  url: authentication/casap-authentication.yml
- type: Website
  url: https://www.casaphq.com
- type: DeveloperPortal
  url: https://docs.casaphq.com
- type: Documentation
  url: https://docs.casaphq.com
- type: APIReference
  url: https://docs.casaphq.com/casap-api
- type: GettingStarted
  url: https://docs.casaphq.com
- type: Support
  url: https://www.casaphq.com/get-in-touch
- type: Blog
  url: https://www.casaphq.com/news
- type: StatusPage
  url: https://www.casaphq.com/status
- type: Login
  url: https://disputes.casaphq.com
- type: TermsOfService
  url: https://www.casaphq.com/terms-of-service
- type: PrivacyPolicy
  url: https://www.casaphq.com/privacy-policy
- type: Compliance
  url: https://www.casaphq.com
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence