Ascend

Ascend is a financial operations platform built for the insurance industry, offering AI-powered accounting automation, payments, and premium financing in a single vertically integrated solution. Its REST API (v1) lets insurance agencies, wholesalers, MGAs, and carriers automate billing and invoicing, premium financing and installment plans, cash application, carrier payables, and direct bill workflows — managing insureds, programs, billables, invoices, loans, payouts, refunds, and one-time payments programmatically, secured with bearer tokens and HMAC-signed webhooks for invoice, payout, and refund events. Trusted by over 4,000 insurance businesses, including over half of the 50 largest brokers.

Ascend publishes 1 API on the APIs.io network: API V1. Tagged areas include Company, Fintech, Insurance, InsurTech, and Payments.

The Ascend catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Ascend’s developer surface includes authentication, documentation, API reference, getting-started guide, support, signup flow, sandbox, and 19 more developer resources.

🌐 Visit website 📡 Source on GitHub

48.0/100 developing Agent 71/100 agent native Full breakdown ↓
scored 2026-07-20 · rubric v0.4

1 APIs 1 MCP Servers 0 Features

CompanyFintechInsuranceInsurTechPaymentsPremium FinancingBillingInvoicingEmbedded FinanceREST APIWebhooks

API Rating

API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4

Composite quality — 48.0/100 · developing

Contract Quality 11.5 / 25

Developer Ergonomics 14.3 / 20

Commercial Clarity 8.4 / 20

Operational Transparency 4.4 / 13

Governance 0.0 / 12

Discoverability 9.3 / 10

Agent readiness — 71/100 · 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 6 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 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/ascend: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal

GettingStarted

SignUp

Sandbox

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

LLMsTxt

MCPServer

AgentSkill

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Webhooks

Conventions

ErrorCatalog

DataModel

Lifecycle

Conformance

Access & Security 5

Authentication, authorization, and security posture

DomainSecurity

Authentication

Security

Compliance

VulnerabilityDisclosure

VulnerabilityDisclosure

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 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: ascend
name: Ascend
description: Ascend is a financial operations platform built for the insurance industry, offering AI-powered accounting automation,
  payments, and premium financing in a single vertically integrated solution. Its REST API (v1) lets insurance agencies, wholesalers,
  MGAs, and carriers automate billing and invoicing, premium financing and installment plans, cash application, carrier payables,
  and direct bill workflows — managing insureds, programs, billables, invoices, loans, payouts, refunds, and one-time payments
  programmatically, secured with bearer tokens and HMAC-signed webhooks for invoice, payout, and refund events. Trusted by
  over 4,000 insurance businesses, including over half of the 50 largest brokers.
image: https://www.useascend.com/favicons/icon-512.png
url: https://raw.githubusercontent.com/api-evangelist/ascend/refs/heads/main/apis.yml
x-type: company
x-source: index-ventures-portfolio
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Fintech
- Insurance
- InsurTech
- Payments
- Premium Financing
- Billing
- Invoicing
- Embedded Finance
- REST API
- Webhooks
apis:
- name: Ascend API V1
  description: Ascend's REST API for insurance financial operations — billing & invoicing, premium financing, installment
    plans, payments, insureds, programs, billables, loans, payouts, and refunds. Bearer-token authenticated; HMAC-signed webhooks
    for invoice, payout, and refund events.
  humanURL: https://developers.useascend.com/
  baseURL: https://api.useascend.com
  tags:
  - Insurance
  - Payments
  - Premium Financing
  - Billing
  properties:
  - type: OpenAPI
    url: openapi/ascend-openapi-original.yml
  - type: Documentation
    url: https://developers.useascend.com/docs
  - type: APIReference
    url: https://developers.useascend.com/reference
  - type: Overlay
    url: overlays/ascend-openapi-overlay.yaml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/ascend-agentic-access.yml
- type: DomainSecurity
  url: security/ascend-domain-security.yml
- type: Authentication
  url: authentication/ascend-authentication.yml
- type: Website
  url: https://useascend.com/
- type: DeveloperPortal
  url: https://developers.useascend.com/
- type: Documentation
  url: https://developers.useascend.com/docs
- type: APIReference
  url: https://developers.useascend.com/reference
- type: GettingStarted
  url: https://developers.useascend.com/docs/getting-started
- type: Support
  url: https://support.useascend.com/
- type: SignUp
  url: https://dashboard.useascend.com/
- type: StatusPage
  url: https://status.useascend.com/
- type: TermsOfService
  url: https://useascend.com/legal/terms-of-service
- type: PrivacyPolicy
  url: https://useascend.com/legal/privacy-policy
- type: Security
  url: https://useascend.com/legal/security-policy
- type: LLMsTxt
  url: llms/ascend-llms.txt
- type: Webhooks
  url: asyncapi/ascend-webhooks.yml
- type: Conventions
  url: conventions/ascend-conventions.yml
- type: ErrorCatalog
  url: errors/ascend-problem-types.yml
- type: DataModel
  url: data-model/ascend-data-model.yml
- type: Lifecycle
  url: lifecycle/ascend-lifecycle.yml
- type: Sandbox
  url: sandbox/ascend-sandbox.yml
- type: Conformance
  url: conformance/ascend-conformance.yml
- type: Compliance
  url: conformance/ascend-conformance.yml
- type: MCPServer
  url: mcp/ascend-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: VulnerabilityDisclosure
  url: security/ascend-vulnerability-disclosure.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

Ascend

API Rating

APIs

Ascend API V1

MCP Servers

ascend-mcp.yml

Event Specifications

Ascend Webhooks

Resources