Neon One

Neon One is a nonprofit technology company whose flagship product, Neon CRM, is a donor management and fundraising platform used by nonprofits and membership associations to manage constituents, donations, memberships, events, campaigns, and volunteers. Neon CRM API v2 is a RESTful, JSON-based rebuild of the legacy v1 API, authenticated with HTTP Basic Auth (org ID + API key) against a base URL of https://api.neoncrm.com/v2. Neon has scheduled the retirement of API v1 and its legacy webhook structure for July 11, 2026.

Neon One publishes 12 APIs on the APIs.io network, including Accounts API, Campaigns API, Custom Fields API, and 9 more. Tagged areas include Nonprofit, CRM, Fundraising, Donor Management, and Membership Management.

Neon One’s developer surface includes authentication, documentation, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
40.3/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessPaidSelf serve
12 APIs
NonprofitCRMFundraisingDonor ManagementMembership ManagementEvents

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 40.3/100 · thin
Contract Quality 14.8 / 25
Developer Ergonomics 3.9 / 20
Commercial Clarity 9.5 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
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/neonone: 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 12

Individual APIs this provider publishes, each with its own machine-readable definition.

Neon One Accounts API

Individual and organization constituent records, contacts, and addresses.

Neon One Campaigns API

Fundraising campaigns that transactions are attributed to.

Neon One Custom Fields API

Standard custom fields and the Custom Objects framework.

Neon One Donations API

Donations, pledges, pledge payments, recurring donations, and soft credits.

Neon One Events API

Events, tickets, and event registrations.

Neon One Households API

Grouping of individual accounts into households with relation types.

Neon One Memberships API

Membership levels and terms held by an account.

Neon One Orders API

Orders grouping donations, memberships, and store purchases.

Neon One Properties API

Reference and lookup data used across other resources.

Neon One Store API

Online store products, catalogs, and categories.

Neon One Volunteers API

Volunteers, groups, opportunities, roles, shifts, and time sheets.

Neon One Webhooks API

Outbound webhook subscriptions.

Scroll for all 12

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Neon CRM API v2

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Neonone Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Neonone Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Neonone Finops

FINOPS

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Neonone Authentication

http · 1 scheme

SECURITY

Neonone Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Neonone Trust Center

PCI DSS

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Neonone Agentic Access

137 operations · 77 acting

137 operations · 77 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 2

The organization behind the API

LinkedIn
LinkedIn
 Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: neonone
url: https://raw.githubusercontent.com/api-evangelist/neonone/refs/heads/main/apis.yml
name: Neon One
kind: company
description: Neon One is a nonprofit technology company whose flagship product, Neon CRM, is a donor management and fundraising
  platform used by nonprofits and membership associations to manage constituents, donations, memberships, events, campaigns,
  and volunteers. Neon CRM API v2 is a RESTful, JSON-based rebuild of the legacy v1 API, authenticated with HTTP Basic Auth
  (org ID + API key) against a base URL of https://api.neoncrm.com/v2. Neon has scheduled the retirement of API v1 and its
  legacy webhook structure for July 11, 2026.
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Paid · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/neonone.png
tags:
- Nonprofit
- CRM
- Fundraising
- Donor Management
- Membership Management
- Events
created: '2026-07-03'
modified: '2026-07-03'
specificationVersion: '0.19'
apis:
- aid: neonone:neonone-accounts-api
  name: Neon One Accounts API
  description: Individual and organization constituent records, contacts, and addresses.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Accounts
  properties:
  - type: OpenAPI
    url: openapi/neonone-accounts-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
- aid: neonone:neonone-campaigns-api
  name: Neon One Campaigns API
  description: Fundraising campaigns that transactions are attributed to.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Campaigns
  properties:
  - type: OpenAPI
    url: openapi/neonone-campaigns-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
- aid: neonone:neonone-custom-fields-api
  name: Neon One Custom Fields API
  description: Standard custom fields and the Custom Objects framework.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Custom Fields
  properties:
  - type: OpenAPI
    url: openapi/neonone-custom-fields-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
- aid: neonone:neonone-donations-api
  name: Neon One Donations API
  description: Donations, pledges, pledge payments, recurring donations, and soft credits.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Donations
  properties:
  - type: OpenAPI
    url: openapi/neonone-donations-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
- aid: neonone:neonone-events-api
  name: Neon One Events API
  description: Events, tickets, and event registrations.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/neonone-events-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
- aid: neonone:neonone-households-api
  name: Neon One Households API
  description: Grouping of individual accounts into households with relation types.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Households
  properties:
  - type: OpenAPI
    url: openapi/neonone-households-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
- aid: neonone:neonone-memberships-api
  name: Neon One Memberships API
  description: Membership levels and terms held by an account.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Memberships
  properties:
  - type: OpenAPI
    url: openapi/neonone-memberships-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
- aid: neonone:neonone-orders-api
  name: Neon One Orders API
  description: Orders grouping donations, memberships, and store purchases.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Orders
  properties:
  - type: OpenAPI
    url: openapi/neonone-orders-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
- aid: neonone:neonone-properties-api
  name: Neon One Properties API
  description: Reference and lookup data used across other resources.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Properties
  properties:
  - type: OpenAPI
    url: openapi/neonone-properties-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
- aid: neonone:neonone-store-api
  name: Neon One Store API
  description: Online store products, catalogs, and categories.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Store
  properties:
  - type: OpenAPI
    url: openapi/neonone-store-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
- aid: neonone:neonone-volunteers-api
  name: Neon One Volunteers API
  description: Volunteers, groups, opportunities, roles, shifts, and time sheets.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Volunteers
  properties:
  - type: OpenAPI
    url: openapi/neonone-volunteers-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
- aid: neonone:neonone-webhooks-api
  name: Neon One Webhooks API
  description: Outbound webhook subscriptions.
  humanURL: https://developer.neoncrm.com/accounts/
  baseURL: https://api.neoncrm.com/v2
  tags:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/neonone-webhooks-api-openapi.yml
  - type: Documentation
    url: https://developer.neoncrm.com/accounts/
  - type: APIReference
    url: https://developer.neoncrm.com/api-v2/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/
  - type: Documentation
    url: https://developer.neoncrm.com/transactions/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/permissions/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/api-v2-resources/rate-limits/
  - type: Documentation
    url: https://developer.neoncrm.com/custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2025/04/14/api-v2-10-update-custom-objects/
  - type: Documentation
    url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/
  - type: Documentation
    url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/
  - type: Documentation
    url: https://developer.neoncrm.com/webhooks/
common:
- type: AgenticAccess
  url: agentic-access/neonone-agentic-access.yml
- type: TrustCenter
  url: security/neonone-trust-center.yml
- type: DomainSecurity
  url: security/neonone-domain-security.yml
- type: Authentication
  url: authentication/neonone-authentication.yml
- type: GitHubOrganization
  url: https://github.com/neoncrm
- type: LinkedIn
  url: https://www.linkedin.com/company/neonone
- type: Website
  url: https://neonone.com/
- type: Documentation
  url: https://developer.neoncrm.com/
- type: Plans
  url: plans/neonone-plans-pricing.yml
- type: RateLimits
  url: rate-limits/neonone-rate-limits.yml
- type: FinOps
  url: finops/neonone-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com