generated: '2026-09-19'
method: searched
source: https://www.hilt.so/updates (31 dated release updates, 30 April - 27 August 2026) and https://docs.hilt.so/release-notes/changelog
  (monthly, April - September 2026); SDK CHANGELOG.md files in github.com/Hiltpay/hilt-sdk-js and hilt-sdk-python
scheme: Dated release updates (one page per update under /updates/<slug>) plus a monthly docs changelog; SDKs are
  semver. No API version bump has occurred (still /v1, info.version 1.0.0).
current:
  api: v1 (1.0.0)
  sdk_registry: 1.4.0 (2026-08-26)
  sdk_docs: 1.5.0 (provider-hosted tarballs; MPP payment-channel methods)
  cli: 1.0.0
  woocommerce_plugin: 0.1.4
latest:
  date: 2026-09
  title: MPP session channels for Solana USDC streaming payments
  source: 'docs changelog September 2026: capped channel creation, cumulative voucher authorization, idempotent
    delivery reservation; SDK 1.5.0'
breaking_changes:
- date: '2026-08-24'
  change: 'Retired Hilt Pay API subscription checkout (POST /v1/access/billing/checkout/stripe now deprecated: true,
    410); SDK 1.3.0 removed the helper'
  migration: native Solana USDC subscriptions
entries:
- date: '2026-08-27'
  title: Hilt opens two live payment paths for wallet-capable agents
  kind: addition
  highlights:
  - Public PayMe MPP payment action POST /v1/pay-me/payments (no payer account/OAuth/API key)
  - 0.05 USDC x402 V2 transaction-evidence resource at www.hilt.so/v1/solana/transaction-evidence
  url: https://www.hilt.so/updates
- date: '2026-08-26'
  title: Protect a paid endpoint with one Hilt SDK wrapper
  kind: addition
  highlights:
  - '@hiltpay/sdk 1.4.0 protectEndpoint; hilt-sdk 1.4.0 protect_request'
  - Retry-safe request identity; getHiltPaymentSessionId
  url: https://www.hilt.so/updates
- date: '2026-08-24'
  title: Hilt Pay API moves to pay-as-you-go and adds native SOL
  kind: pricing-change
  highlights:
  - Live pricing now $0/month + 1% per successful settlement
  - Native SOL hosted payment sessions; SDKs 1.3.0 remove the retired subscription-checkout helper
  url: https://www.hilt.so/updates
- date: '2026-08-20'
  title: PayMe adds Wallet Security for receiving-wallet changes
  kind: addition
  highlights:
  - Authenticator + recovery codes + new-wallet signature for wallet changes
  url: https://www.hilt.so/updates
- date: '2026-08-08'
  title: Hilt PayMe adds trackable AI-assisted payments
  kind: addition
  highlights:
  - PayMe MCP connector (OAuth PKCE, pay_me:* scopes)
  url: https://www.hilt.so/updates
- date: '2026-07-22'
  title: Hilt Pay Agent Gateway is live across agent discovery networks
  kind: addition
  highlights:
  - MCP gateway https://api.hilt.so/mcp, A2A agent card, Glama/Smithery listings
  url: https://www.hilt.so/updates
- date: '2026-07-20'
  title: AI-to-AI metered payments are live
  kind: addition
  highlights:
  - x402 V2 settlement + atomic entitlement consumption; SDKs 1.2.0; idempotent settlement reconciliation
  url: https://www.hilt.so/updates
- date: '2026-06-04'
  title: SDKs and developer assets are updated to 1.1.0
  kind: addition
  highlights:
  - HiltError/HiltApiError models, typed webhook verification, request-level idempotency keys
  url: https://www.hilt.so/updates
- date: '2026-06-04'
  title: Native Solana subscriptions are live
  kind: addition
  highlights:
  - Buyer-approved Solana USDC subscriptions; cancel-intent/cancel-confirm
  url: https://www.hilt.so/updates
- date: '2026-05-31'
  title: Hilt Pay API is now the agent-first developer surface
  kind: addition
  highlights:
  - /v1/access namespace; agent bootstrap + owner approval
  url: https://www.hilt.so/updates
- date: '2026-05-31'
  title: Hilt Pay for WooCommerce is approved on WordPress.org
  kind: addition
  highlights:
  - hilt-pay-for-woocommerce 0.1.4
  url: https://www.hilt.so/updates
- date: '2026-05-17'
  title: Embed checkout is now live
  kind: addition
  highlights:
  - https://www.hilt.so/embed.js
  url: https://www.hilt.so/updates
- date: '2026-05-06'
  title: Public SDK packages and developer assets are now live
  kind: addition
  highlights:
  - '@hiltpay/sdk 1.0.0 (npm), hilt-sdk 1.0.0 (PyPI), hilt-developer-assets'
  url: https://www.hilt.so/updates
- date: '2026-05-05'
  title: CLI coverage, playbooks, and sandbox v1 are now in sync
  kind: addition
  highlights:
  - Hilt CLI 1.0.0; /v1/testing scenarios
  url: https://www.hilt.so/updates
- date: '2026-05-04'
  title: Native Hilt webhooks are live
  kind: addition
  highlights:
  - X-Hilt-Signature signed events; replay
  url: https://www.hilt.so/updates
- date: '2026-05-01'
  title: Hilt launched live
  kind: launch
  highlights: []
  url: https://www.hilt.so/updates
sdk_releases:
- version: 1.0.0
  date: '2026-05-06'
- version: 1.0.1
  date: '2026-05-31'
- version: 1.0.2
  date: '2026-05-31'
- version: 1.0.3
  date: '2026-06-04'
- version: 1.1.0
  date: '2026-06-04'
- version: 1.2.0
  date: '2026-07-20'
- version: 1.3.0
  date: '2026-08-24'
- version: 1.4.0
  date: '2026-08-26'
window: launch (2026-05-01) to 2026-09