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All three SDKs read MONEYLINE_API_KEY and MONEYLINE_BASE_URL from the environment, unwrap the data envelope, retry 429 and 5xx with backoff, and map status codes onto typed errors.

TypeScript

@moneyline/sdk — ESM and CJS, Node 18+.

Python

moneyline — sync and async, Python 3.10+.

Go

sdks/go/moneyline — Go 1.24+.

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Install

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What each one gives you

Go pagination stops after the first page: PaginatedResponse.Cursor reads the cursor key, but the API returns next_cursor. See pagination for the workaround.

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Resources

Every SDK exposes the same thirteen resources:
  • submissions
  • documents
  • transactions
  • analytics
  • policies
  • rules
  • webhooks
  • merchants
  • categories
  • funders
  • integrations
  • entities
  • isoApplications
The SDKs curate a subset of the API — 84 of the 310 endpoints have an SDK method today. Everything else is reachable through the API reference and plain HTTP. The parity table is generated from the SDK sources and shows exactly which methods exist where.

Next

Pick a language

All three read MONEYLINE_API_KEY from the environment and unwrap the data envelope, so the quickstart works verbatim in any of them.

Start buildingCompare methods