Plaid API breaking changes (2026): complete tracker and fixes

plaid 4 breaking / deprecation entries 2026

Plaid ships API and SDK changes continuously. Most are additive — but the ones that are not can silently break integrations that worked yesterday. This page is the complete, continuously regenerated record of every Plaid breaking change and deprecation in the mendapi change database: 4 entries (4 breaking, 0 deprecation), each linked to its upstream source and, where possible, to a concrete fix.

How to read this page

Every entry carries a fixability verdict from the mendapi adjudication pipeline: code-fixable means a mechanical code change repairs the break (3 entries); not code-fixable means the change requires a business decision, credential provisioning, or upstream action that no codemod can produce (1 entries). Entries marked auto-fix pack have a deterministic, gold-tested migration pack that mendapi fix can apply locally.

Am I affected?

Reading a changelog tells you what changed — not whether your code uses the affected surface. The mendapi scanner answers that locally, in about 30 seconds, without any code leaving your machine:

npx mendapi sync
# -> one network call: pulls the change feed into a local database
npx mendapi scan
# -> N findings: file, line, provider, confidence
mendapi deps --match
# -> which of the changes below actually hit your endpoints

See Getting Started for the full workflow and the security model for why zero code upload is the default and only mode.

Complete Plaid breaking change timeline

Date	Change	Ref
2026-07-24	45.0.0 breaking not code-fixable The 45.0.0 breaking change widens generated TypeScript types for CRA report metadata/attributes maps to arbitrary JSON	source
2026-07-23	44.0.0 breaking code-fixable auto-fix pack Two mechanical edits cover the real breakage	source
2026-06-25	43.0.0: Merge pull request #717 from plaid/generated_20260625T191121Z breaking code-fixable auto-fix pack	source
2026-04-02	42.0.0: Merge pull request #711 from plaid/generated_20260402T213808Z breaking code-fixable	source

Automated migration packs for Plaid

mendapi ships 1 deterministic migration pack for Plaid — verified, idempotent codemods you can apply locally with mendapi fix. Full details in the pack catalog.

plaid-node-v43-v44-breaking-renames — Plaid Node 43.0.0/44.0.0: terminate reason-code type unification, interest-only literal, reports_requested array (upstream reference)

Recent Plaid releases adjudicated non-breaking

Not paging you is the other half of the job. The same pipeline that produced the timeline above also cleared 6 Plaid changes as additive or fix-only — releases an integrator can upgrade through without a migration. The most recent:

Date	Release	Ref
2026-04-27	42.2.0: Merge pull request #714 from plaid/generated_20260427T175144Z additive	source
2026-04-17	42.1.0: Merge pull request #713 from plaid/generated_20260417T202631Z additive	source
2026-03-05	41.4.0: Merge pull request #709 from plaid/generated_20260304T225136Z additive	source
2026-02-18	41.3.0: Merge pull request #708 from plaid/generated_20260218T223653Z additive	source
2026-02-17	41.2.0: Merge pull request #707 from plaid/generated_20260217T190913Z additive	source
2026-01-26	41.1.0: Merge pull request #704 from plaid/generated_20260126T165349Z additive	source

Monitoring Plaid going forward

This page is regenerated from the change database, which is fed by release feeds, changelog capture and OpenAPI spec diffing — so it does not depend on Plaid writing a perfect changelog. mendapi monitors 84125 change records across 20 providers; hosted plans watch your repos continuously and open fix PRs when a change lands. See pricing.

Frequently asked questions

How do I check if my codebase is affected by Plaid breaking changes?

Run npx mendapi scan in your repo. It statically matches your files against the 4 Plaid breaking changes and deprecations in this tracker and reports file, line and confidence for every hit — locally, in about 30 seconds, with zero network calls.

How many Plaid API breaking changes are on record?

This tracker records 4 entries for Plaid (4 breaking changes and 0 deprecations, 2026). Each entry is adjudicated: 3 are code-fixable, 1 require a decision no codemod can make.

Are there automated fixes for Plaid breaking changes?

Yes — mendapi ships 1 deterministic migration pack for Plaid. mendapi fix applies them locally as reviewable diffs; every pack is gold-tested and idempotent.

Does my code get uploaded when scanning for Plaid changes?

No. mendapi scan, deps and fix run with zero network code, mechanically enforced by the test suite. Optional hosted reporting is metadata-only, secrets-redacted, and requires an explicit flag.

API breaking change detection — how upstream breakage is caught before it ships, and why default severity gates stay silent.
All breaking-change reports — per-change deep dives with migration guides.
All monitored providers — live change counts.
Migration pack catalog — every deterministic fix mendapi ships.

Every entry on this page is generated from the mendapi change database at build time and links its upstream source.