Text to speech web API [closed]

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I want a text-speech API that works over the web. Google Translate unofficial API doesn't fi开发者_如何学Ct because I need to read more than one paragraph and they're limited to 100 chars.

I checked iSpeech, but they require a telephone call to buy credits and since this work maintainers do not speak english and this type of billing/selling is pretty ridiculous, I'm looking forward for another alternative.

Anyone?

EDIT: It must have an pt-BR voice.

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I was searching for the exact same thing, I needed pt-BR voice too, and I have just quit using Google TTS because it has got some limitations, bugs (with sentence punctuation endings) and no documentation at all.

I found http://www.voicerss.org/

It works good for me, it's free, simple API and has the Brazilian pt-BR voice we need.

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I actually spoke to iSpeech ( http://www.ispeech.org ) the other day, and apparently you can purchase credits directly from the web site (did you click Upgrade?). The reference to having to contact them is regarding higher volume pricing. (I haven't actually upgraded, so I haven't verified this, but that's what they said.)

Alternatives include:

• http://ws.neospeech.com
• http://acapela-group.com (or http://acapela-box.com)
• http://acapela-vaas.com (VaaS means Voice as a Service, and this is a pure web API)
• http://www.ivona.com/en/developer/
• http://www.voiceforge.com/
• https://speechtronic.com

Except for Neospeech, which has a free plan, the others are over my budget... Also, I'm disappointed that Neospeech's API is asynchronous. The API returns a code, whose status you then look up, until you get a url for the result. So it sounds like it's geared towards large amounts of text at a time.