Here are a few international prizes that literary translators associations can apply to for their initiatives.
And if you are a FIT member:
The competition is open to any FIT member in good standing or any recognized branch, chapter, regional group or section thereof is entitled to nominate its website for the Best Website Prize.
A Certificate of Merit will be awarded to the website which is considered to best promote the professional image of the translator and/or interpreter in terms of quality, presentation and relevance.
The competition is open to any journal published by any FIT member, or any recognized branch, chapter, regional group or section of such an organisation.