Primer

aid: primer
name: Primer
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/primer/refs/heads/main/apis.yml
created: 2026-06-12
modified: 2026-06-12
specificationVersion: '0.19'
description: 'Primer is a payment orchestration platform that enables merchants to build flexible payment flows across multiple
  processors through a single REST API integration. The platform provides intelligent routing, automatic fallback logic, fraud
  detection integrations, and a no-code Workflows builder for managing payment rules without engineering effort. Primer supports
  60+ payment methods including cards, digital wallets, and regional alternatives such as iDEAL, Klarna, and Alipay. The platform
  delivers unified observability, reconciliation, and analytics across all connected payment providers, and processes billions
  of dollars monthly with 99.99% uptime.

  '
tags:
- payments
- payment orchestration
- payment processing
- fintech
- fraud detection
- smart routing
- checkout
- payment methods
- reconciliation
- webhooks
apis:
- name: Primer Payments API
  description: 'REST API for creating and managing payments, client sessions, and saved payment methods. Supports the full
    payment lifecycle including authorization, capture, refund, cancellation, and dispute management. Versioned via X-Api-Version
    header with current GA version 2.4.

    '
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://primer.io/docs/api-reference/get-started/overview
  baseURL: https://api.primer.io
  tags:
  - payments
  - client sessions
  - payment methods
  - refunds
  - disputes
  properties:
  - type: Documentation
    url: https://primer.io/docs/api-reference/get-started/overview
  - type: Sandbox
    url: https://api.sandbox.primer.io
  - type: OpenAPI
    url: openapi/primer-payments-openapi.yml
  - type: OpenAPI
    url: openapi/primer-webhooks-openapi.yml
common:
- type: Website
  url: https://primer.io/
- type: Documentation
  url: https://primer.io/docs/api-reference/get-started/overview
- type: GitHubOrganization
  url: https://github.com/primer-io
- type: LinkedIn
  url: https://www.linkedin.com/company/primerapi/
- type: X
  url: https://x.com/primer_io
- type: Blog
  url: https://primer.io/blog
- type: Pricing
  url: https://primer.io/blog/primer-launches-primer-for-growth
- type: StatusPage
  url: https://status.primer.io/
- type: ChangeLog
  url: https://primer.io/docs/changelogs/android-sdk
- type: Plans
  url: plans/primer-plans-pricing.yml
- type: RateLimits
  url: rate-limits/primer-rate-limits.yml
- type: FinOps
  url: finops/primer-finops.yml
- type: JSONSchema
  url: json-schema/primer-clientsession.json
- type: JSONSchema
  url: json-schema/primer-paymentcreation.json
- type: JSONSchema
  url: json-schema/primer-payment.json
- type: JSONSchema
  url: json-schema/primer-paymentrefund.json
- type: JSONSchema
  url: json-schema/primer-paymentcapture.json
- type: Vocabulary
  url: vocabulary/primer-vocabulary.yml
- type: JSONLDContext
  url: json-ld/primer-context.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com