Sparetext
All comparisons

Sparetext vs Twilio

Twilio is a cloud messaging API: you rent numbers and pay per message segment, with carrier fees and US A2P 10DLC registration.

For a few hundred texts a month from your own number, to people who know you, Sparetext costs a flat plan and needs no number or registration. For marketing, thousands of texts a day, short codes or sender IDs, Twilio is the right tool and Sparetext isn't.

Choose Sparetext if

  • Texts should come from your own number, so people recognise you and can call back.
  • You don't want to rent a number, register a 10DLC brand and campaign, or pay per segment.
  • An AI agent should send and read texts through a hosted MCP server.
  • You're testing, prototyping, or texting staff, customers you know, or yourself.

Choose Twilio if

  • You send marketing or thousands of texts a day.
  • You need short codes, alphanumeric sender IDs, or numbers in many countries.
  • You need an SLA, voice, or WhatsApp in the same API.

Feature by feature

FeatureSparetextTwilio
Texts come from your own numberYes: Your phone's SIMNo: A number you rent from Twilio
iPhoneYes: Through a Mac relay, a Shortcut, or tap to sendPartly: No phone involved
MCP server for Claude, ChatGPT and other agentsYes: Hosted, with OAuth sign-in: send, send a text per person, wait for a reply, read threads, check phonesPartly: Open-source alpha server you run with your own keys
An agent can wait for the person's replyYes: wait_for_reply returns the reply, or a code in itPartly: Your own code, by webhook
Connect an assistant without pasting a keyYes: Add the URL as a connector in Claude or ChatGPT and sign inPartly: Account SID and key in a local config
Cost per textYes: None from us; your carrier planNo: $0.0083 a US segment, plus $0.0035 to $0.005 in carrier fees
Free planYes: 1 phone, 300 texts a monthPartly: Trial: 100 texts, to numbers you verify
Paid planYes: $12.74 a month or $84.99 a year: 5 phones, 10,000 texts; from $5 in many countriesPartly: Per text, plus $1.15 a month per number and 10DLC fees
Registration before US texts (A2P 10DLC)Partly: No registration step; carriers can still filter business texts from a personal SIMNo: Brand ($4.50+) and campaign ($15 vetting, $1.50 to $10 a month)
Delivery reportsYes: Per part; a failure names the carrier's TP-StatusYes: Carrier status callbacks
Android's limit of 30 parts a minuteYes: Counted per part; texts wait instead of failingPartly: Not a phone; Twilio queues by throughput
Retries when the radio refusesYes: Held and sent when service is back, up to 30 minYes: Handled by the carrier network
WebhooksYes: HMAC with a timestamp, 8 tries over 28 hoursYes: Signed status and inbound webhooks
A different text per recipientYes: messages[] in one call; CSV with {{column}} in the dashboardPartly: One API call per text
Choose the SIM per textYes: sim: 1 or 2; never falls back to the other numberPartly: Pick the from number
Scheduling and expiryYes: scheduledAt, and ttl per textYes: Scheduled messages and validity period
Sending hoursYes: Per phone, by weekday, in its time zoneNo: Not built in
Open source, self-hostedNo: Hosted onlyNo: Hosted only
End-to-end encryptionYes: Opt-in: AES-256-GCM on your devices, words and pictures both ways; each text bound to its numberNo: TLS
MMSYes: Android, and the Mac relay, so iPhone owners tooYes: US and Canada
Thousands of texts a day, short codes, sender IDsNo: Carriers filter bulk texts from a personal SIMYes: Built for it

Swipe the table sideways for every column. →

Switching from Twilio

One request, the same idea: who, what, and a status to check afterwards.

Twilio

bash
curl -X POST https://api.twilio.com/2010-04-01/Accounts/$TWILIO_SID/Messages.json \
  -u "$TWILIO_SID:$TWILIO_TOKEN" \
  --data-urlencode "To=+12025550123" \
  --data-urlencode "From=+12025550100" \
  --data-urlencode "Body=Your code is 481920"

Sparetext

bash
curl -X POST https://sparetext.dev/api/v1/messages \
  -H "x-api-key: $SPARETEXT_API_KEY" -H "content-type: application/json" \
  -d '{"to": "+12025550123", "text": "Your code is 481920", "ttl": 300}'

Every endpoint, with Node and Python too, is in the API reference.

Questions people ask

Is Sparetext a Twilio alternative?
For texts from your own number to people who know you, yes: no number to rent, no per-text fee and no registration step, because texts go out from your phone's SIM. It is not built for bulk marketing; carriers filter that on personal numbers.
Do I need A2P 10DLC registration with Sparetext?
There is no registration step: texts go out from your own SIM on your own plan. But under the US carriers' rules (CTIA's Messaging Principles), texts a business sends by software count as application-to-person even from a phone, so carriers can filter them and your plan's terms may limit them. Text people who expect to hear from you, and Sparetext stops texting anyone who replies STOP. For marketing, use a registered provider.
What does Twilio cost for a few hundred texts?
In the US: $0.0083 a segment plus $0.0035 to $0.005 in carrier fees, $1.15 a month for a local number, and 10DLC registration (a $4.50 brand, $15 campaign vetting, then $1.50 to $10 a month). Sparetext Free covers 300 texts a month, and your carrier plan pays for the texts.
How many texts can a phone send?
Android lets an app send 30 message parts a minute by default, and Sparetext paces texts to that. Carriers also watch volume: hundreds an hour from one SIM can get it filtered.

More comparisons

Checked on October 29, 2026 against each product's own docs, pricing pages and source code. Something out of date? Write to hello@sparetext.dev and we'll fix it. Sources: Twilio SMS pricing (US), Twilio A2P 10DLC fees, Twilio MCP server, CTIA Messaging Principles.

Try it on the phone you have.

Free for 1 phone and 300 texts a month. An Android pairs in two minutes.

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