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. image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg 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 tags: - Accounts - Constituents - Addresses - Contacts image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://developer.neoncrm.com/accounts/ baseURL: https://api.neoncrm.com/v2 properties: - url: https://developer.neoncrm.com/accounts/ type: Documentation - url: https://developer.neoncrm.com/api-v2/ type: APIReference - url: openapi/neonone-openapi.yml type: OpenAPI description: Individual and organization constituent records (accounts) - create, retrieve, update, and search accounts; manage linked contacts on organization accounts, mailing/shipping addresses, and account custom fields. - aid: neonone:neonone-households-api name: Neon One Households API tags: - Households - Accounts - Relationships image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/ baseURL: https://api.neoncrm.com/v2 properties: - url: https://developer.neoncrm.com/2025/06/09/api-v2-10-update-households/ type: Documentation - url: https://developer.neoncrm.com/api-v2/ type: APIReference - url: openapi/neonone-openapi.yml type: OpenAPI description: Group individual accounts into households, defining the relation type (e.g. spouse, child) each member holds within the household. Household endpoints shipped to API v2.10 on June 7, 2025. - aid: neonone:neonone-donations-api name: Neon One Donations API tags: - Donations - Pledges - Recurring Donations - Soft Credits image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://developer.neoncrm.com/transactions/ baseURL: https://api.neoncrm.com/v2 properties: - url: https://developer.neoncrm.com/transactions/ type: Documentation - url: https://developer.neoncrm.com/api-v2/ type: APIReference - url: openapi/neonone-openapi.yml type: OpenAPI description: One-time donations, multi-payment pledges and pledge installments, recurring donation schedules, and soft credits (crediting a donation to an account other than the paying donor). - aid: neonone:neonone-campaigns-api name: Neon One Campaigns API tags: - Campaigns - Fundraising - Peer-to-Peer image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://developer.neoncrm.com/api-v2-resources/permissions/ baseURL: https://api.neoncrm.com/v2 properties: - url: https://developer.neoncrm.com/api-v2-resources/permissions/ type: Documentation - url: https://developer.neoncrm.com/api-v2/ type: APIReference - url: openapi/neonone-openapi.yml type: OpenAPI description: Fundraising campaigns, including peer-to-peer/social fundraising configuration, that donations, pledges, and recurring donations are attributed to. - aid: neonone:neonone-memberships-api name: Neon One Memberships API tags: - Memberships - Membership Terms image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/ baseURL: https://api.neoncrm.com/v2 properties: - url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/ type: Documentation - url: https://developer.neoncrm.com/api-v2/ type: APIReference - url: openapi/neonone-openapi.yml type: OpenAPI description: Membership levels, terms, and sub-members held by an account, nested under the account resource - including active-status and primary-active-membership fields added in API v2.11. - aid: neonone:neonone-events-api name: Neon One Events API tags: - Events - Registrations - Tickets - Attendees image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://developer.neoncrm.com/api-v2-resources/rate-limits/ baseURL: https://api.neoncrm.com/v2 properties: - url: https://developer.neoncrm.com/api-v2-resources/rate-limits/ type: Documentation - url: https://developer.neoncrm.com/api-v2/ type: APIReference - url: openapi/neonone-openapi.yml type: OpenAPI description: Events, event tickets, event registrations, and event attendees - create and manage events and process registrations against them. - aid: neonone:neonone-custom-fields-api name: Neon One Custom Fields API tags: - Custom Fields - Custom Objects - Configuration image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://developer.neoncrm.com/custom-objects/ baseURL: https://api.neoncrm.com/v2 properties: - 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/api-v2/ type: APIReference - url: openapi/neonone-openapi.yml type: OpenAPI description: Standard custom fields attached to accounts, donations, and events, plus the full Custom Objects framework (objects, fields, form/list layouts, relations, validators, and records) shipped to API v2.10 in April 2025 for modeling data that does not fit Neon CRM's built-in schema. - aid: neonone:neonone-orders-store-api name: Neon One Orders & Store API tags: - Orders - Store - Products - Shopping Cart image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/ baseURL: https://api.neoncrm.com/v2 properties: - url: https://developer.neoncrm.com/2020/09/19/api-v2-1-release-notes/ type: Documentation - url: https://developer.neoncrm.com/api-v2-resources/rate-limits/ type: Documentation - url: https://developer.neoncrm.com/api-v2/ type: APIReference - url: openapi/neonone-openapi.yml type: OpenAPI description: Orders that group multiple donations, memberships, and store purchases into a single transaction, plus the online store catalog - products, catalogs, categories, and checkout/shipping configuration. - aid: neonone:neonone-volunteers-api name: Neon One Volunteers API tags: - Volunteers - Opportunities - Shifts - Time Sheets image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/ baseURL: https://api.neoncrm.com/v2 properties: - url: https://developer.neoncrm.com/2024/11/22/api-v2-9-updates-november-2024/ type: Documentation - url: https://developer.neoncrm.com/2025/10/24/api-v2-11-release-notes/ type: Documentation - url: https://developer.neoncrm.com/api-v2/ type: APIReference - url: openapi/neonone-openapi.yml type: OpenAPI description: Volunteer records, volunteer groups, volunteer opportunities and roles, opportunity shifts, and time sheets - added to API v2.9 in November 2024 and extended with role assignment during volunteer sign-up in v2.11. - aid: neonone:neonone-webhooks-api name: Neon One Webhooks API tags: - Webhooks - Notifications - Events image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://developer.neoncrm.com/webhooks/ baseURL: https://api.neoncrm.com/v2 properties: - url: https://developer.neoncrm.com/webhooks/ type: Documentation - url: https://developer.neoncrm.com/api-v2/ type: APIReference - url: openapi/neonone-openapi.yml type: OpenAPI description: Programmatically create, list, retrieve, update, and delete outbound webhook subscriptions that POST JSON notifications for create/update/delete actions on Accounts, Donations, Memberships, Event Registrations, Orders, and Activities, with automatic retry (up to 3 attempts, 2-second intervals) on failed deliveries. common: - 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