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Sponsored postman fees for automatic claiming #1080

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0b9d05b
Amend bridging page and message service reference
jlwllmr Apr 23, 2025
d0e0f7f
Merge branch 'main' into postman-sponsor
jlwllmr Apr 30, 2025
47c2194
Add suggestions
jlwllmr Apr 30, 2025
fde6611
Add 250k gas note
jlwllmr Apr 30, 2025
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17 changes: 14 additions & 3 deletions docs/get-started/how-to/bridge.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -204,12 +204,21 @@ The manual claiming toggle will then be available:

### Execution fees

:::tip Free postman fees for L1 -> L2

The postman fee for L1 -> L2 transfers (i.e. deposits to Linea) is now sponsored for all users.

This means that automatic claiming transfers from L1 to L2 now have no fees, apart from some cases
[outlined above](#configure-claiming). You will, however, still need to cover the costs of the L1
transaction.

:::

The only fees you'll pay on the native bridge are those required to complete the transaction —
other than network fees, the native bridge is fee-free and Linea does not profit from it.

Two types of execution fees can be applied when bridging with the native bridge: the postman fee and
the anti-DDOS fee. Since the postman fee is only applied during the automatic claiming process,
execution fees vary depending on _what_ you're bridging and the direction.
the anti-DDOS fee.

Refer to the table for which fees will apply to your bridge transfer. These fees apply to both
ETH and ERC-20 transfers.
Expand All @@ -231,7 +240,7 @@ ETH and ERC-20 transfers.
<td>L1 to L2 (Automatic claiming)</td>
<td>:white_check_mark:</td>
<td>:x:</td>
<td>:white_check_mark:</td>
<td>:x:</td>
</tr>
<tr>
<td>L2 to L1 (Manual claiming)</td>
Expand All @@ -249,6 +258,8 @@ Key:
- `gas estimated` = 100,000
- `gas limit surplus` = 6000
- `margin` = 2

The postman fee used to be applied to automatic claiming transfers from L1 to L2, but is now free.

## Buy

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3 changes: 3 additions & 0 deletions docs/technology/message-service.mdx
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Expand Up @@ -147,6 +147,9 @@ addresses above.
See our [main bridge page](../get-started/how-to/bridge.mdx) for more information on the
execution fees that apply.

Note that the postman fee for automatic claiming transfers from L1 -> L2 is now sponsored for
all users; the information here is retained for reference.

:::
2. Dapp uses the [Postman SDK](https://www.npmjs.com/package/@consensys/linea-sdk?activeTab=readme)
to simplify the execution of messages on the destination layer by:
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