---
title: "Changes to Verify contract via similarity search"
method: POST
path: "/v2/verify/similarity/{chainId}/{address}"
---

# Changes to Verify contract via similarity search

`POST /v2/verify/similarity/{chainId}/{address}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 5 revisions.

- **2026-03-09** `eef63cd83966` — 2 breaking, 1 warning, 6 info
- **2025-12-17** `f02ddb386819` — 6 breaking, 3 warning, 1 info

## Changes

- **2026-03-09** `eef63cd83966` — 2 breaking, 1 warning, 6 info
  - the `path` request parameter `chainId` was restricted to a list of enum values
  - for the `path` request parameter `chainId`, the type changed from `string` to `integer`
  - changed the pattern of the `path` request parameter `address` from `(\b0x[a-fA-F0-9]{40}\b)` to `^0x[a-fA-F0-9]{40}$`
  - added the new enum value `31318.00` to the `path` request parameter `chainId`
  - added the new enum value `4217.00` to the `path` request parameter `chainId`
  - added the new enum value `42431.00` to the `path` request parameter `chainId`
  - for the `path` request parameter `address`, the minLength was decreased from `42` to `0`
  - for the `path` request parameter `chainId`, the minLength was decreased from `1` to `0`
  - removed the pattern `^\d+$` from the `path` request parameter `chainId`
- **2025-12-17** `f02ddb386819` — 6 breaking, 3 warning, 1 info
  - removed the enum value `31318.00` from the `path` request parameter `chainId`
  - removed the enum value `4217.00` from the `path` request parameter `chainId`
  - removed the enum value `42431.00` from the `path` request parameter `chainId`
  - for the `path` request parameter `address`, the minLength was increased from `0` to `42`
  - for the `path` request parameter `chainId`, the minLength was increased from `0` to `1`
  - added the pattern `^\d+$` to the `path` request parameter `chainId`
  - for the `path` request parameter `address`, the maxLength was set to `42`
  - for the `path` request parameter `chainId`, the maxLength was set to `20`
  - changed the pattern of the `path` request parameter `address` from `^0x[a-fA-F0-9]{40}$` to `(\b0x[a-fA-F0-9]{40}\b)`
  - for the `path` request parameter `chainId`, the type was generalized from `integer` to `string`

---

[Operation](https://skmtc.dev/tempoxyz/apis/contract-verification-api/docs/v2/verify/similarity/:chainId/:address/post.md) · [API](https://skmtc.dev/tempoxyz/apis/contract-verification-api.md) · [Page](https://skmtc.dev/tempoxyz/apis/contract-verification-api/changes/v2/verify/similarity/:chainId/:address/post)