You can not change the price of a mission once you've received it, however you can update the price, like all the other parameters of your offer, and ask the advertiser to place a new order at the updated price (note that he might not want to do so if the new price is too high for him and he is disappointed that the price is higher than what he saw in the catalogue).
To update the price:
- from your dashboard, go to Offers and look for the concerned offer
- click Update then Modify
- scroll down to the your profit parameter and enter the desired amount
- using the same procedure, you can modify any other condition of your offer
- click on Submit my offer
Once modified, your offer will undergo a new review by the Publishing Team, which may approve, reject, or request changes. Moderation may take a few days, during which the Media and Offer will be marked as out of catalog.
We recommend that you check regularly and you keep your prices and conditions up to date, as it's important that our advertisers can see accurate prices when browsing the catalogue!
Related article: How can I modify or negotiate the elements of a briefing?